28215512

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15959}}^1$

素因数の和:15995

約数の個数: 32

約数和(自身を含む): 60328800

約数和(自身を除く): 32113288

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 15959, 31918, 63836, 127672, 207467, 271303, 414934, 542606, 829868, 1085212, 1659736, 2170424, 3526939, 7053878, 14107756, 28215512]

約数ペア:

[(1, 28215512), (2, 14107756), (4, 7053878), (8, 3526939), (13, 2170424), (17, 1659736), (26, 1085212), (34, 829868), (52, 542606), (68, 414934), (104, 271303), (136, 207467), (221, 127672), (442, 63836), (884, 31918), (1768, 15959)]