28665175

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{14891}}^1$

素因数の和:14919

約数の個数: 24

約数和(自身を含む): 44318592

約数和(自身を除く): 15653417

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 1925, 14891, 74455, 104237, 163801, 372275, 521185, 819005, 1146607, 2605925, 4095025, 5733035, 28665175]

約数ペア:

[(1, 28665175), (5, 5733035), (7, 4095025), (11, 2605925), (25, 1146607), (35, 819005), (55, 521185), (77, 372275), (175, 163801), (275, 104237), (385, 74455), (1925, 14891)]