79729975

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{113}}^1\times {\mathrm{167}}^1$

素因数の和:316

約数の個数: 36

約数和(自身を含む): 108649296

約数和(自身を除く): 28919321

約数列:

[1, 5, 13, 25, 65, 113, 167, 169, 325, 565, 835, 845, 1469, 2171, 2825, 4175, 4225, 7345, 10855, 18871, 19097, 28223, 36725, 54275, 94355, 95485, 141115, 245323, 471775, 477425, 705575, 1226615, 3189199, 6133075, 15945995, 79729975]

約数ペア:

[(1, 79729975), (5, 15945995), (13, 6133075), (25, 3189199), (65, 1226615), (113, 705575), (167, 477425), (169, 471775), (325, 245323), (565, 141115), (835, 95485), (845, 94355), (1469, 54275), (2171, 36725), (2825, 28223), (4175, 19097), (4225, 18871), (7345, 10855)]