29991775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{571}}^1$

素因数の和:783

約数の個数: 24

約数和(自身を含む): 40854528

約数和(自身を除く): 10862753

約数列:

[1, 5, 11, 25, 55, 191, 275, 571, 955, 2101, 2855, 4775, 6281, 10505, 14275, 31405, 52525, 109061, 157025, 545305, 1199671, 2726525, 5998355, 29991775]

約数ペア:

[(1, 29991775), (5, 5998355), (11, 2726525), (25, 1199671), (55, 545305), (191, 157025), (275, 109061), (571, 52525), (955, 31405), (2101, 14275), (2855, 10505), (4775, 6281)]