31849025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{53}}^1$

素因数の和:162

約数の個数: 36

約数和(自身を含む): 44364348

約数和(自身を除く): 12515323

約数列:

[1, 5, 13, 25, 43, 53, 65, 215, 265, 325, 559, 689, 1075, 1325, 1849, 2279, 2795, 3445, 9245, 11395, 13975, 17225, 24037, 29627, 46225, 56975, 97997, 120185, 148135, 489985, 600925, 740675, 1273961, 2449925, 6369805, 31849025]

約数ペア:

[(1, 31849025), (5, 6369805), (13, 2449925), (25, 1273961), (43, 740675), (53, 600925), (65, 489985), (215, 148135), (265, 120185), (325, 97997), (559, 56975), (689, 46225), (1075, 29627), (1325, 24037), (1849, 17225), (2279, 13975), (2795, 11395), (3445, 9245)]