289938961325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{2861}}^1\times {\mathrm{311821}}^1$

素因数の和:314705

約数の個数: 24

約数和(自身を含む): 387316600776

約数和(自身を除く): 97377639451

約数列:

[1, 5, 13, 25, 65, 325, 2861, 14305, 37193, 71525, 185965, 311821, 929825, 1559105, 4053673, 7795525, 20268365, 101341825, 892119881, 4460599405, 11597558453, 22302997025, 57987792265, 289938961325]

約数ペア:

[(1, 289938961325), (5, 57987792265), (13, 22302997025), (25, 11597558453), (65, 4460599405), (325, 892119881), (2861, 101341825), (14305, 20268365), (37193, 7795525), (71525, 4053673), (185965, 1559105), (311821, 929825)]