1990486815

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{53}}^1\times {\mathrm{4733}}^1$

素因数の和:4840

約数の個数: 48

約数和(自身を含む): 3392800992

約数和(自身を除く): 1402314177

約数列:

[1, 3, 5, 15, 23, 53, 69, 115, 159, 265, 345, 529, 795, 1219, 1587, 2645, 3657, 4733, 6095, 7935, 14199, 18285, 23665, 28037, 70995, 84111, 108859, 140185, 250849, 326577, 420555, 544295, 752547, 1254245, 1632885, 2503757, 3762735, 5769527, 7511271, 12518785, 17308581, 28847635, 37556355, 86542905, 132699121, 398097363, 663495605, 1990486815]

約数ペア:

[(1, 1990486815), (3, 663495605), (5, 398097363), (15, 132699121), (23, 86542905), (53, 37556355), (69, 28847635), (115, 17308581), (159, 12518785), (265, 7511271), (345, 5769527), (529, 3762735), (795, 2503757), (1219, 1632885), (1587, 1254245), (2645, 752547), (3657, 544295), (4733, 420555), (6095, 326577), (7935, 250849), (14199, 140185), (18285, 108859), (23665, 84111), (28037, 70995)]