28872415

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{3671}}^1$

素因数の和:3711

約数の個数: 24

約数和(自身を含む): 41023584

約数和(自身を除く): 12151169

約数列:

[1, 5, 11, 13, 55, 65, 121, 143, 605, 715, 1573, 3671, 7865, 18355, 40381, 47723, 201905, 238615, 444191, 524953, 2220955, 2624765, 5774483, 28872415]

約数ペア:

[(1, 28872415), (5, 5774483), (11, 2624765), (13, 2220955), (55, 524953), (65, 444191), (121, 238615), (143, 201905), (605, 47723), (715, 40381), (1573, 18355), (3671, 7865)]