805220975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{18913}}^1$

素因数の和:19067

約数の個数: 24

約数和(自身を含む): 1083545232

約数和(自身を除く): 278324257

約数列:

[1, 5, 13, 25, 65, 131, 325, 655, 1703, 3275, 8515, 18913, 42575, 94565, 245869, 472825, 1229345, 2477603, 6146725, 12388015, 32208839, 61940075, 161044195, 805220975]

約数ペア:

[(1, 805220975), (5, 161044195), (13, 61940075), (25, 32208839), (65, 12388015), (131, 6146725), (325, 2477603), (655, 1229345), (1703, 472825), (3275, 245869), (8515, 94565), (18913, 42575)]