28919605

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{3677}}^1$

素因数の和:3717

約数の個数: 24

約数和(自身を含む): 41090616

約数和(自身を除く): 12171011

約数列:

[1, 5, 11, 13, 55, 65, 121, 143, 605, 715, 1573, 3677, 7865, 18385, 40447, 47801, 202235, 239005, 444917, 525811, 2224585, 2629055, 5783921, 28919605]

約数ペア:

[(1, 28919605), (5, 5783921), (11, 2629055), (13, 2224585), (55, 525811), (65, 444917), (121, 239005), (143, 202235), (605, 47801), (715, 40447), (1573, 18385), (3677, 7865)]