256712148

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{8419}}^1$

素因数の和:8458

約数の個数: 108

約数和(自身を含む): 815258080

約数和(自身を除く): 558545932

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 121, 126, 132, 154, 198, 231, 242, 252, 308, 363, 396, 462, 484, 693, 726, 847, 924, 1089, 1386, 1452, 1694, 2178, 2541, 2772, 3388, 4356, 5082, 7623, 8419, 10164, 15246, 16838, 25257, 30492, 33676, 50514, 58933, 75771, 92609, 101028, 117866, 151542, 176799, 185218, 235732, 277827, 303084, 353598, 370436, 530397, 555654, 648263, 707196, 833481, 1018699, 1060794, 1111308, 1296526, 1666962, 1944789, 2037398, 2121588, 2593052, 3056097, 3333924, 3889578, 4074796, 5834367, 6112194, 7130893, 7779156, 9168291, 11668734, 12224388, 14261786, 18336582, 21392679, 23337468, 28523572, 36673164, 42785358, 64178037, 85570716, 128356074, 256712148]

約数ペア:

[(1, 256712148), (2, 128356074), (3, 85570716), (4, 64178037), (6, 42785358), (7, 36673164), (9, 28523572), (11, 23337468), (12, 21392679), (14, 18336582), (18, 14261786), (21, 12224388), (22, 11668734), (28, 9168291), (33, 7779156), (36, 7130893), (42, 6112194), (44, 5834367), (63, 4074796), (66, 3889578), (77, 3333924), (84, 3056097), (99, 2593052), (121, 2121588), (126, 2037398), (132, 1944789), (154, 1666962), (198, 1296526), (231, 1111308), (242, 1060794), (252, 1018699), (308, 833481), (363, 707196), (396, 648263), (462, 555654), (484, 530397), (693, 370436), (726, 353598), (847, 303084), (924, 277827), (1089, 235732), (1386, 185218), (1452, 176799), (1694, 151542), (2178, 117866), (2541, 101028), (2772, 92609), (3388, 75771), (4356, 58933), (5082, 50514), (7623, 33676), (8419, 30492), (10164, 25257), (15246, 16838)]