2021630495

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{269}}^1\times {\mathrm{331}}^1$

素因数の和:863

約数の個数: 32

約数和(自身を含む): 2581632000

約数和(自身を除く): 560001505

約数列:

[1, 5, 19, 95, 239, 269, 331, 1195, 1345, 1655, 4541, 5111, 6289, 22705, 25555, 31445, 64291, 79109, 89039, 321455, 395545, 445195, 1221529, 1503071, 1691741, 6107645, 7515355, 8458705, 21280321, 106401605, 404326099, 2021630495]

約数ペア:

[(1, 2021630495), (5, 404326099), (19, 106401605), (95, 21280321), (239, 8458705), (269, 7515355), (331, 6107645), (1195, 1691741), (1345, 1503071), (1655, 1221529), (4541, 445195), (5111, 395545), (6289, 321455), (22705, 89039), (25555, 79109), (31445, 64291)]