256207966

素因数分解:

$2^1\times 7^3\times {\mathrm{131}}^1\times {\mathrm{2851}}^1$

素因数の和:3005

約数の個数: 32

約数和(自身を含む): 451756800

約数和(自身を除く): 195548834

約数列:

[1, 2, 7, 14, 49, 98, 131, 262, 343, 686, 917, 1834, 2851, 5702, 6419, 12838, 19957, 39914, 44933, 89866, 139699, 279398, 373481, 746962, 977893, 1955786, 2614367, 5228734, 18300569, 36601138, 128103983, 256207966]

約数ペア:

[(1, 256207966), (2, 128103983), (7, 36601138), (14, 18300569), (49, 5228734), (98, 2614367), (131, 1955786), (262, 977893), (343, 746962), (686, 373481), (917, 279398), (1834, 139699), (2851, 89866), (5702, 44933), (6419, 39914), (12838, 19957)]