408025712

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{380621}}^1$

素因数の和:380696

約数の個数: 20

約数和(自身を含む): 802351176

約数和(自身を除く): 394325464

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 380621, 761242, 1522484, 3044968, 6089936, 25501607, 51003214, 102006428, 204012856, 408025712]

約数ペア:

[(1, 408025712), (2, 204012856), (4, 102006428), (8, 51003214), (16, 25501607), (67, 6089936), (134, 3044968), (268, 1522484), (536, 761242), (1072, 380621)]