90400505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{233}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 120766464

約数和(自身を除く): 30365959

約数列:

[1, 5, 13, 47, 65, 127, 233, 235, 611, 635, 1165, 1651, 3029, 3055, 5969, 8255, 10951, 15145, 29591, 29845, 54755, 77597, 142363, 147955, 384683, 387985, 711815, 1390777, 1923415, 6953885, 18080101, 90400505]

約数ペア:

[(1, 90400505), (5, 18080101), (13, 6953885), (47, 1923415), (65, 1390777), (127, 711815), (233, 387985), (235, 384683), (611, 147955), (635, 142363), (1165, 77597), (1651, 54755), (3029, 29845), (3055, 29591), (5969, 15145), (8255, 10951)]