28201225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4567}}^1$

素因数の和:4609

約数の個数: 24

約数和(自身を含む): 39650240

約数和(自身を除く): 11449015

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 325, 475, 1235, 4567, 6175, 22835, 59371, 86773, 114175, 296855, 433865, 1128049, 1484275, 2169325, 5640245, 28201225]

約数ペア:

[(1, 28201225), (5, 5640245), (13, 2169325), (19, 1484275), (25, 1128049), (65, 433865), (95, 296855), (247, 114175), (325, 86773), (475, 59371), (1235, 22835), (4567, 6175)]