81391730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{11987}}^1$

素因数の和:12098

約数の個数: 32

約数和(自身を含む): 169174656

約数和(自身を除く): 87782926

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 97, 194, 485, 679, 970, 1358, 3395, 6790, 11987, 23974, 59935, 83909, 119870, 167818, 419545, 839090, 1162739, 2325478, 5813695, 8139173, 11627390, 16278346, 40695865, 81391730]

約数ペア:

[(1, 81391730), (2, 40695865), (5, 16278346), (7, 11627390), (10, 8139173), (14, 5813695), (35, 2325478), (70, 1162739), (97, 839090), (194, 419545), (485, 167818), (679, 119870), (970, 83909), (1358, 59935), (3395, 23974), (6790, 11987)]