256151566

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{1171}}^1$

素因数の和:1408

約数の個数: 32

約数和(自身を含む): 429008256

約数和(自身を除く): 172856690

約数列:

[1, 2, 11, 22, 61, 122, 163, 326, 671, 1171, 1342, 1793, 2342, 3586, 9943, 12881, 19886, 25762, 71431, 109373, 142862, 190873, 218746, 381746, 785741, 1571482, 2099603, 4199206, 11643253, 23286506, 128075783, 256151566]

約数ペア:

[(1, 256151566), (2, 128075783), (11, 23286506), (22, 11643253), (61, 4199206), (122, 2099603), (163, 1571482), (326, 785741), (671, 381746), (1171, 218746), (1342, 190873), (1793, 142862), (2342, 109373), (3586, 71431), (9943, 25762), (12881, 19886)]