81629268

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{13687}}^1$

素因数の和:13772

約数の個数: 48

約数和(自身を含む): 220760064

約数和(自身を除く): 139130796

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 71, 84, 142, 213, 284, 426, 497, 852, 994, 1491, 1988, 2982, 5964, 13687, 27374, 41061, 54748, 82122, 95809, 164244, 191618, 287427, 383236, 574854, 971777, 1149708, 1943554, 2915331, 3887108, 5830662, 6802439, 11661324, 13604878, 20407317, 27209756, 40814634, 81629268]

約数ペア:

[(1, 81629268), (2, 40814634), (3, 27209756), (4, 20407317), (6, 13604878), (7, 11661324), (12, 6802439), (14, 5830662), (21, 3887108), (28, 2915331), (42, 1943554), (71, 1149708), (84, 971777), (142, 574854), (213, 383236), (284, 287427), (426, 191618), (497, 164244), (852, 95809), (994, 82122), (1491, 54748), (1988, 41061), (2982, 27374), (5964, 13687)]