28406456

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{16067}}^1$

素因数の和:16103

約数の個数: 32

約数和(自身を含む): 60737040

約数和(自身を除く): 32330584

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 16067, 32134, 64268, 128536, 208871, 273139, 417742, 546278, 835484, 1092556, 1670968, 2185112, 3550807, 7101614, 14203228, 28406456]

約数ペア:

[(1, 28406456), (2, 14203228), (4, 7101614), (8, 3550807), (13, 2185112), (17, 1670968), (26, 1092556), (34, 835484), (52, 546278), (68, 417742), (104, 273139), (136, 208871), (221, 128536), (442, 64268), (884, 32134), (1768, 16067)]