399389618

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{234659}}^1$

素因数の和:234721

約数の個数: 16

約数和(自身を含む): 642029760

約数和(自身を除く): 242640142

約数列:

[1, 2, 23, 37, 46, 74, 851, 1702, 234659, 469318, 5397157, 8682383, 10794314, 17364766, 199694809, 399389618]

約数ペア:

[(1, 399389618), (2, 199694809), (23, 17364766), (37, 10794314), (46, 8682383), (74, 5397157), (851, 469318), (1702, 234659)]