390271028

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{449621}}^1$

素因数の和:449663

約数の個数: 24

約数和(自身を含む): 805722624

約数和(自身を除く): 415451596

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 449621, 899242, 1798484, 3147347, 6294694, 12589388, 13938251, 27876502, 55753004, 97567757, 195135514, 390271028]

約数ペア:

[(1, 390271028), (2, 195135514), (4, 97567757), (7, 55753004), (14, 27876502), (28, 13938251), (31, 12589388), (62, 6294694), (124, 3147347), (217, 1798484), (434, 899242), (868, 449621)]