28184975

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{953}}^1$

素因数の和:996

約数の個数: 36

約数和(自身を含む): 43296336

約数和(自身を除く): 15111361

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 169, 175, 325, 455, 845, 953, 1183, 2275, 4225, 4765, 5915, 6671, 12389, 23825, 29575, 33355, 61945, 86723, 161057, 166775, 309725, 433615, 805285, 1127399, 2168075, 4026425, 5636995, 28184975]

約数ペア:

[(1, 28184975), (5, 5636995), (7, 4026425), (13, 2168075), (25, 1127399), (35, 805285), (65, 433615), (91, 309725), (169, 166775), (175, 161057), (325, 86723), (455, 61945), (845, 33355), (953, 29575), (1183, 23825), (2275, 12389), (4225, 6671), (4765, 5915)]