78897756

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{13229}}^1$

素因数の和:13314

約数の個数: 48

約数和(自身を含む): 213373440

約数和(自身を除く): 134475684

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, 13229, 26458, 39687, 52916, 79374, 92603, 158748, 185206, 277809, 370412, 555618, 939259, 1111236, 1878518, 2817777, 3757036, 5635554, 6574813, 11271108, 13149626, 19724439, 26299252, 39448878, 78897756]

約数ペア:

[(1, 78897756), (2, 39448878), (3, 26299252), (4, 19724439), (6, 13149626), (7, 11271108), (12, 6574813), (14, 5635554), (21, 3757036), (28, 2817777), (42, 1878518), (71, 1111236), (84, 939259), (142, 555618), (213, 370412), (284, 277809), (426, 185206), (497, 158748), (852, 92603), (994, 79374), (1491, 52916), (1988, 39687), (2982, 26458), (5964, 13229)]