220977974

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{686267}}^1$

素因数の和:686299

約数の個数: 16

約数和(自身を含む): 395290368

約数和(自身を除く): 174312394

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 686267, 1372534, 4803869, 9607738, 15784141, 31568282, 110488987, 220977974]

約数ペア:

[(1, 220977974), (2, 110488987), (7, 31568282), (14, 15784141), (23, 9607738), (46, 4803869), (161, 1372534), (322, 686267)]