25418978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{439}}^1$

素因数の和:602

約数の個数: 32

約数和(自身を含む): 43908480

約数和(自身を除く): 18489502

約数列:

[1, 2, 13, 17, 26, 34, 131, 221, 262, 439, 442, 878, 1703, 2227, 3406, 4454, 5707, 7463, 11414, 14926, 28951, 57509, 57902, 97019, 115018, 194038, 747617, 977653, 1495234, 1955306, 12709489, 25418978]

約数ペア:

[(1, 25418978), (2, 12709489), (13, 1955306), (17, 1495234), (26, 977653), (34, 747617), (131, 194038), (221, 115018), (262, 97019), (439, 57902), (442, 57509), (878, 28951), (1703, 14926), (2227, 11414), (3406, 7463), (4454, 5707)]