397798908

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{2549993}}^1$

素因数の和:2550013

約数の個数: 24

約数和(自身を含む): 999597648

約数和(自身を除く): 601798740

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 2549993, 5099986, 7649979, 10199972, 15299958, 30599916, 33149909, 66299818, 99449727, 132599636, 198899454, 397798908]

約数ペア:

[(1, 397798908), (2, 198899454), (3, 132599636), (4, 99449727), (6, 66299818), (12, 33149909), (13, 30599916), (26, 15299958), (39, 10199972), (52, 7649979), (78, 5099986), (156, 2549993)]