15661964

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1657}}^1$

素因数の和:1817

約数の個数: 24

約数和(自身を含む): 29247120

約数和(自身を除く): 13585156

約数列:

[1, 2, 4, 17, 34, 68, 139, 278, 556, 1657, 2363, 3314, 4726, 6628, 9452, 28169, 56338, 112676, 230323, 460646, 921292, 3915491, 7830982, 15661964]

約数ペア:

[(1, 15661964), (2, 7830982), (4, 3915491), (17, 921292), (34, 460646), (68, 230323), (139, 112676), (278, 56338), (556, 28169), (1657, 9452), (2363, 6628), (3314, 4726)]