400224721

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{263}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 467470080

約数和(自身を除く): 67245359

約数列:

[1, 13, 19, 61, 101, 247, 263, 793, 1159, 1313, 1919, 3419, 4997, 6161, 15067, 16043, 24947, 26563, 64961, 80093, 117059, 208559, 304817, 345319, 504697, 1521767, 1620343, 3962621, 6561061, 21064459, 30786517, 400224721]

約数ペア:

[(1, 400224721), (13, 30786517), (19, 21064459), (61, 6561061), (101, 3962621), (247, 1620343), (263, 1521767), (793, 504697), (1159, 345319), (1313, 304817), (1919, 208559), (3419, 117059), (4997, 80093), (6161, 64961), (15067, 26563), (16043, 24947)]