28168075

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:208

約数の個数: 36

約数和(自身を含む): 38803320

約数和(自身を除く): 10635245

約数列:

[1, 5, 13, 25, 59, 65, 113, 169, 295, 325, 565, 767, 845, 1469, 1475, 2825, 3835, 4225, 6667, 7345, 9971, 19097, 19175, 33335, 36725, 49855, 86671, 95485, 166675, 249275, 433355, 477425, 1126723, 2166775, 5633615, 28168075]

約数ペア:

[(1, 28168075), (5, 5633615), (13, 2166775), (25, 1126723), (59, 477425), (65, 433355), (113, 249275), (169, 166675), (295, 95485), (325, 86671), (565, 49855), (767, 36725), (845, 33335), (1469, 19175), (1475, 19097), (2825, 9971), (3835, 7345), (4225, 6667)]