28959515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 10957285

約数列:

[1, 5, 13, 19, 65, 95, 131, 179, 247, 655, 895, 1235, 1703, 2327, 2489, 3401, 8515, 11635, 12445, 17005, 23449, 32357, 44213, 117245, 161785, 221065, 304837, 445531, 1524185, 2227655, 5791903, 28959515]

約数ペア:

[(1, 28959515), (5, 5791903), (13, 2227655), (19, 1524185), (65, 445531), (95, 304837), (131, 221065), (179, 161785), (247, 117245), (655, 44213), (895, 32357), (1235, 23449), (1703, 17005), (2327, 12445), (2489, 11635), (3401, 8515)]