278370574

素因数分解:

$2^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{7309}}^1$

素因数の和:7587

約数の個数: 16

約数和(自身を含む): 423687600

約数和(自身を除く): 145317026

約数列:

[1, 2, 137, 139, 274, 278, 7309, 14618, 19043, 38086, 1001333, 1015951, 2002666, 2031902, 139185287, 278370574]

約数ペア:

[(1, 278370574), (2, 139185287), (137, 2031902), (139, 2002666), (274, 1015951), (278, 1001333), (7309, 38086), (14618, 19043)]