397365838

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{20177}}^1$

素因数の和:20451

約数の個数: 16

約数和(自身を含む): 612604080

約数和(自身を除く): 215238242

約数列:

[1, 2, 43, 86, 229, 458, 9847, 19694, 20177, 40354, 867611, 1735222, 4620533, 9241066, 198682919, 397365838]

約数ペア:

[(1, 397365838), (2, 198682919), (43, 9241066), (86, 4620533), (229, 1735222), (458, 867611), (9847, 40354), (19694, 20177)]