221460974

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{687767}}^1$

素因数の和:687799

約数の個数: 16

約数和(自身を含む): 396154368

約数和(自身を除く): 174693394

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 687767, 1375534, 4814369, 9628738, 15818641, 31637282, 110730487, 221460974]

約数ペア:

[(1, 221460974), (2, 110730487), (7, 31637282), (14, 15818641), (23, 9628738), (46, 4814369), (161, 1375534), (322, 687767)]