399776834

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{70607}}^1$

素因数の和:70777

約数の個数: 16

約数和(自身を含む): 635472000

約数和(自身を除く): 235695166

約数列:

[1, 2, 19, 38, 149, 298, 2831, 5662, 70607, 141214, 1341533, 2683066, 10520443, 21040886, 199888417, 399776834]

約数ペア:

[(1, 399776834), (2, 199888417), (19, 21040886), (38, 10520443), (149, 2683066), (298, 1341533), (2831, 141214), (5662, 70607)]