1408405

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:396

約数の個数: 16

約数和(自身を含む): 1816704

約数和(自身を除く): 408299

約数列:

[1, 5, 23, 37, 115, 185, 331, 851, 1655, 4255, 7613, 12247, 38065, 61235, 281681, 1408405]

約数ペア:

[(1, 1408405), (5, 281681), (23, 61235), (37, 38065), (115, 12247), (185, 7613), (331, 4255), (851, 1655)]