2979925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:249

約数の個数: 24

約数和(自身を含む): 4077864

約数和(自身を除く): 1097939

約数列:

[1, 5, 13, 25, 53, 65, 173, 265, 325, 689, 865, 1325, 2249, 3445, 4325, 9169, 11245, 17225, 45845, 56225, 119197, 229225, 595985, 2979925]

約数ペア:

[(1, 2979925), (5, 595985), (13, 229225), (25, 119197), (53, 56225), (65, 45845), (173, 17225), (265, 11245), (325, 9169), (689, 4325), (865, 3445), (1325, 2249)]