256520908

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{5009}}^1$

素因数の和:5110

約数の個数: 48

約数和(自身を含む): 538675200

約数和(自身を除く): 282154292

約数列:

[1, 2, 4, 7, 14, 28, 31, 59, 62, 118, 124, 217, 236, 413, 434, 826, 868, 1652, 1829, 3658, 5009, 7316, 10018, 12803, 20036, 25606, 35063, 51212, 70126, 140252, 155279, 295531, 310558, 591062, 621116, 1086953, 1182124, 2068717, 2173906, 4137434, 4347812, 8274868, 9161461, 18322922, 36645844, 64130227, 128260454, 256520908]

約数ペア:

[(1, 256520908), (2, 128260454), (4, 64130227), (7, 36645844), (14, 18322922), (28, 9161461), (31, 8274868), (59, 4347812), (62, 4137434), (118, 2173906), (124, 2068717), (217, 1182124), (236, 1086953), (413, 621116), (434, 591062), (826, 310558), (868, 295531), (1652, 155279), (1829, 140252), (3658, 70126), (5009, 51212), (7316, 35063), (10018, 25606), (12803, 20036)]