28135570

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{313}}^1$

素因数の和:510

約数の個数: 32

約数和(自身を含む): 51885360

約数和(自身を除く): 23749790

約数列:

[1, 2, 5, 10, 89, 101, 178, 202, 313, 445, 505, 626, 890, 1010, 1565, 3130, 8989, 17978, 27857, 31613, 44945, 55714, 63226, 89890, 139285, 158065, 278570, 316130, 2813557, 5627114, 14067785, 28135570]

約数ペア:

[(1, 28135570), (2, 14067785), (5, 5627114), (10, 2813557), (89, 316130), (101, 278570), (178, 158065), (202, 139285), (313, 89890), (445, 63226), (505, 55714), (626, 44945), (890, 31613), (1010, 27857), (1565, 17978), (3130, 8989)]