1290184154

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{19013}}^1$

素因数の和:19190

約数の個数: 32

約数和(自身を含む): 2288981376

約数和(自身を除く): 998797222

約数列:

[1, 2, 7, 14, 37, 74, 131, 259, 262, 518, 917, 1834, 4847, 9694, 19013, 33929, 38026, 67858, 133091, 266182, 703481, 1406962, 2490703, 4924367, 4981406, 9848734, 17434921, 34869842, 92156011, 184312022, 645092077, 1290184154]

約数ペア:

[(1, 1290184154), (2, 645092077), (7, 184312022), (14, 92156011), (37, 34869842), (74, 17434921), (131, 9848734), (259, 4981406), (262, 4924367), (518, 2490703), (917, 1406962), (1834, 703481), (4847, 266182), (9694, 133091), (19013, 67858), (33929, 38026)]