12478465

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{251}}^1$

素因数の和:480

約数の個数: 16

約数和(自身を含む): 15374016

約数和(自身を除く): 2895551

約数列:

[1, 5, 61, 163, 251, 305, 815, 1255, 9943, 15311, 40913, 49715, 76555, 204565, 2495693, 12478465]

約数ペア:

[(1, 12478465), (5, 2495693), (61, 204565), (163, 76555), (251, 49715), (305, 40913), (815, 15311), (1255, 9943)]