261556374772

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{131071}}^1$

素因数の和:131154

約数の個数: 144

約数和(自身を含む): 624783523840

約数和(自身を除く): 363227149068

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 31, 38, 44, 62, 76, 77, 121, 124, 133, 154, 209, 217, 242, 266, 308, 341, 418, 434, 484, 532, 589, 682, 836, 847, 868, 1178, 1364, 1463, 1694, 2299, 2356, 2387, 2926, 3388, 3751, 4123, 4598, 4774, 5852, 6479, 7502, 8246, 9196, 9548, 12958, 15004, 16093, 16492, 25916, 26257, 32186, 45353, 52514, 64372, 71269, 90706, 105028, 131071, 142538, 181412, 262142, 285076, 498883, 524284, 917497, 997766, 1441781, 1834994, 1995532, 2490349, 2883562, 3669988, 4063201, 4980698, 5767124, 8126402, 9961396, 10092467, 15859591, 16252804, 17432443, 20184934, 27393839, 28442407, 31719182, 34864886, 40369868, 44695211, 54787678, 56884814, 63438364, 69729772, 77200819, 89390422, 109575356, 111017137, 113769628, 154401638, 178780844, 191756873, 222034274, 301332229, 308803276, 312866477, 383513746, 444068548, 491647321, 540405733, 602664458, 625732954, 767027492, 849209009, 983294642, 1080811466, 1205328916, 1251465908, 1698418018, 1966589284, 2109325603, 2161622932, 3396836036, 3441531247, 4218651206, 5944463063, 6883062494, 8437302412, 9341299099, 11888926126, 13766124988, 18682598198, 23777852252, 37365196396, 65389093693, 130778187386, 261556374772]

約数ペア:

[(1, 261556374772), (2, 130778187386), (4, 65389093693), (7, 37365196396), (11, 23777852252), (14, 18682598198), (19, 13766124988), (22, 11888926126), (28, 9341299099), (31, 8437302412), (38, 6883062494), (44, 5944463063), (62, 4218651206), (76, 3441531247), (77, 3396836036), (121, 2161622932), (124, 2109325603), (133, 1966589284), (154, 1698418018), (209, 1251465908), (217, 1205328916), (242, 1080811466), (266, 983294642), (308, 849209009), (341, 767027492), (418, 625732954), (434, 602664458), (484, 540405733), (532, 491647321), (589, 444068548), (682, 383513746), (836, 312866477), (847, 308803276), (868, 301332229), (1178, 222034274), (1364, 191756873), (1463, 178780844), (1694, 154401638), (2299, 113769628), (2356, 111017137), (2387, 109575356), (2926, 89390422), (3388, 77200819), (3751, 69729772), (4123, 63438364), (4598, 56884814), (4774, 54787678), (5852, 44695211), (6479, 40369868), (7502, 34864886), (8246, 31719182), (9196, 28442407), (9548, 27393839), (12958, 20184934), (15004, 17432443), (16093, 16252804), (16492, 15859591), (25916, 10092467), (26257, 9961396), (32186, 8126402), (45353, 5767124), (52514, 4980698), (64372, 4063201), (71269, 3669988), (90706, 2883562), (105028, 2490349), (131071, 1995532), (142538, 1834994), (181412, 1441781), (262142, 997766), (285076, 917497), (498883, 524284)]