388214294

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{53}}^1\times {\mathrm{1667}}^1$

素因数の和:1761

約数の個数: 32

約数和(自身を含む): 643114080

約数和(自身を除く): 254899786

約数列:

[1, 2, 13, 26, 53, 106, 169, 338, 689, 1378, 1667, 2197, 3334, 4394, 8957, 17914, 21671, 43342, 88351, 116441, 176702, 232882, 281723, 563446, 1148563, 2297126, 3662399, 7324798, 14931319, 29862638, 194107147, 388214294]

約数ペア:

[(1, 388214294), (2, 194107147), (13, 29862638), (26, 14931319), (53, 7324798), (106, 3662399), (169, 2297126), (338, 1148563), (689, 563446), (1378, 281723), (1667, 232882), (2197, 176702), (3334, 116441), (4394, 88351), (8957, 43342), (17914, 21671)]