1388764

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1571}}^1$

素因数の和:1605

約数の個数: 24

約数和(自身を含む): 2773008

約数和(自身を除く): 1384244

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 1571, 3142, 6284, 20423, 26707, 40846, 53414, 81692, 106828, 347191, 694382, 1388764]

約数ペア:

[(1, 1388764), (2, 694382), (4, 347191), (13, 106828), (17, 81692), (26, 53414), (34, 40846), (52, 26707), (68, 20423), (221, 6284), (442, 3142), (884, 1571)]