278408

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{2677}}^1$

素因数の和:2696

約数の個数: 16

約数和(自身を含む): 562380

約数和(自身を除く): 283972

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 2677, 5354, 10708, 21416, 34801, 69602, 139204, 278408]

約数ペア:

[(1, 278408), (2, 139204), (4, 69602), (8, 34801), (13, 21416), (26, 10708), (52, 5354), (104, 2677)]