28027985

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{4517}}^1$

素因数の和:4612

約数の個数: 16

約数和(自身を含む): 36107856

約数和(自身を除く): 8079871

約数列:

[1, 5, 17, 73, 85, 365, 1241, 4517, 6205, 22585, 76789, 329741, 383945, 1648705, 5605597, 28027985]

約数ペア:

[(1, 28027985), (5, 5605597), (17, 1648705), (73, 383945), (85, 329741), (365, 76789), (1241, 22585), (4517, 6205)]