25157235

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{857}}^1$

素因数の和:987

約数の個数: 32

約数和(自身を含む): 42831360

約数和(自身を除く): 17674125

約数列:

[1, 3, 5, 15, 19, 57, 95, 103, 285, 309, 515, 857, 1545, 1957, 2571, 4285, 5871, 9785, 12855, 16283, 29355, 48849, 81415, 88271, 244245, 264813, 441355, 1324065, 1677149, 5031447, 8385745, 25157235]

約数ペア:

[(1, 25157235), (3, 8385745), (5, 5031447), (15, 1677149), (19, 1324065), (57, 441355), (95, 264813), (103, 244245), (285, 88271), (309, 81415), (515, 48849), (857, 29355), (1545, 16283), (1957, 12855), (2571, 9785), (4285, 5871)]