278344708

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{16067}}^1$

素因数の和:16203

約数の個数: 24

約数和(自身を含む): 502092864

約数和(自身を除く): 223748156

約数列:

[1, 2, 4, 61, 71, 122, 142, 244, 284, 4331, 8662, 16067, 17324, 32134, 64268, 980087, 1140757, 1960174, 2281514, 3920348, 4563028, 69586177, 139172354, 278344708]

約数ペア:

[(1, 278344708), (2, 139172354), (4, 69586177), (61, 4563028), (71, 3920348), (122, 2281514), (142, 1960174), (244, 1140757), (284, 980087), (4331, 64268), (8662, 32134), (16067, 17324)]