28011308

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31687}}^1$

素因数の和:31721

約数の個数: 24

約数和(自身を含む): 55897632

約数和(自身を除く): 27886324

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 31687, 63374, 126748, 411931, 538679, 823862, 1077358, 1647724, 2154716, 7002827, 14005654, 28011308]

約数ペア:

[(1, 28011308), (2, 14005654), (4, 7002827), (13, 2154716), (17, 1647724), (26, 1077358), (34, 823862), (52, 538679), (68, 411931), (221, 126748), (442, 63374), (884, 31687)]