81715772

素因数分解:

$2^2\times {\mathrm{149}}^1\times {\mathrm{167}}^1\times {\mathrm{821}}^1$

素因数の和:1141

約数の個数: 24

約数和(自身を含む): 145000800

約数和(自身を除く): 63285028

約数列:

[1, 2, 4, 149, 167, 298, 334, 596, 668, 821, 1642, 3284, 24883, 49766, 99532, 122329, 137107, 244658, 274214, 489316, 548428, 20428943, 40857886, 81715772]

約数ペア:

[(1, 81715772), (2, 40857886), (4, 20428943), (149, 548428), (167, 489316), (298, 274214), (334, 244658), (596, 137107), (668, 122329), (821, 99532), (1642, 49766), (3284, 24883)]