17138725

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:309

約数の個数: 24

約数和(自身を含む): 22096800

約数和(自身を除く): 4958075

約数列:

[1, 5, 25, 43, 107, 149, 215, 535, 745, 1075, 2675, 3725, 4601, 6407, 15943, 23005, 32035, 79715, 115025, 160175, 398575, 685549, 3427745, 17138725]

約数ペア:

[(1, 17138725), (5, 3427745), (25, 685549), (43, 398575), (107, 160175), (149, 115025), (215, 79715), (535, 32035), (745, 23005), (1075, 15943), (2675, 6407), (3725, 4601)]