887013974

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:215

約数の個数: 144

約数和(自身を含む): 1863106560

約数和(自身を除く): 976092586

約数列:

[1, 2, 7, 11, 14, 19, 22, 31, 38, 49, 62, 77, 98, 121, 127, 133, 154, 209, 217, 242, 254, 266, 341, 418, 434, 539, 589, 682, 847, 889, 931, 1078, 1178, 1397, 1463, 1519, 1694, 1778, 1862, 2299, 2387, 2413, 2794, 2926, 3038, 3751, 3937, 4123, 4598, 4774, 4826, 5929, 6223, 6479, 7502, 7874, 8246, 9779, 10241, 11858, 12446, 12958, 15367, 16093, 16709, 16891, 19558, 20482, 26257, 26543, 27559, 28861, 30734, 32186, 33418, 33782, 43307, 45353, 52514, 53086, 55118, 57722, 68453, 71269, 74803, 86614, 90706, 107569, 112651, 118237, 136906, 142538, 149606, 183799, 185801, 192913, 215138, 225302, 236474, 291973, 303149, 317471, 367598, 371602, 385826, 476377, 498883, 523621, 583946, 606298, 634942, 752983, 822833, 952754, 997766, 1047242, 1300607, 1505966, 1645666, 2043811, 2122043, 2601214, 3334639, 3492181, 3665347, 4087622, 4244086, 5759831, 6669278, 6984362, 7330694, 9051163, 11519662, 14306677, 18102326, 23342473, 28613354, 40318817, 46684946, 63358141, 80637634, 126716282, 443506987, 887013974]

約数ペア:

[(1, 887013974), (2, 443506987), (7, 126716282), (11, 80637634), (14, 63358141), (19, 46684946), (22, 40318817), (31, 28613354), (38, 23342473), (49, 18102326), (62, 14306677), (77, 11519662), (98, 9051163), (121, 7330694), (127, 6984362), (133, 6669278), (154, 5759831), (209, 4244086), (217, 4087622), (242, 3665347), (254, 3492181), (266, 3334639), (341, 2601214), (418, 2122043), (434, 2043811), (539, 1645666), (589, 1505966), (682, 1300607), (847, 1047242), (889, 997766), (931, 952754), (1078, 822833), (1178, 752983), (1397, 634942), (1463, 606298), (1519, 583946), (1694, 523621), (1778, 498883), (1862, 476377), (2299, 385826), (2387, 371602), (2413, 367598), (2794, 317471), (2926, 303149), (3038, 291973), (3751, 236474), (3937, 225302), (4123, 215138), (4598, 192913), (4774, 185801), (4826, 183799), (5929, 149606), (6223, 142538), (6479, 136906), (7502, 118237), (7874, 112651), (8246, 107569), (9779, 90706), (10241, 86614), (11858, 74803), (12446, 71269), (12958, 68453), (15367, 57722), (16093, 55118), (16709, 53086), (16891, 52514), (19558, 45353), (20482, 43307), (26257, 33782), (26543, 33418), (27559, 32186), (28861, 30734)]