8157786

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 20471808

約数和(自身を除く): 12314022

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 67, 78, 91, 134, 182, 201, 223, 273, 402, 446, 469, 546, 669, 871, 938, 1338, 1407, 1561, 1742, 2613, 2814, 2899, 3122, 4683, 5226, 5798, 6097, 8697, 9366, 12194, 14941, 17394, 18291, 20293, 29882, 36582, 40586, 44823, 60879, 89646, 104587, 121758, 194233, 209174, 313761, 388466, 582699, 627522, 1165398, 1359631, 2719262, 4078893, 8157786]

約数ペア:

[(1, 8157786), (2, 4078893), (3, 2719262), (6, 1359631), (7, 1165398), (13, 627522), (14, 582699), (21, 388466), (26, 313761), (39, 209174), (42, 194233), (67, 121758), (78, 104587), (91, 89646), (134, 60879), (182, 44823), (201, 40586), (223, 36582), (273, 29882), (402, 20293), (446, 18291), (469, 17394), (546, 14941), (669, 12194), (871, 9366), (938, 8697), (1338, 6097), (1407, 5798), (1561, 5226), (1742, 4683), (2613, 3122), (2814, 2899)]