250291221

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{379}}^1\times {\mathrm{563}}^1$

素因数の和:985

約数の個数: 32

約数和(自身を含む): 370344960

約数和(自身を除く): 120053739

約数列:

[1, 3, 17, 23, 51, 69, 379, 391, 563, 1137, 1173, 1689, 6443, 8717, 9571, 12949, 19329, 26151, 28713, 38847, 148189, 213377, 220133, 444567, 640131, 660399, 3627409, 4907671, 10882227, 14723013, 83430407, 250291221]

約数ペア:

[(1, 250291221), (3, 83430407), (17, 14723013), (23, 10882227), (51, 4907671), (69, 3627409), (379, 660399), (391, 640131), (563, 444567), (1137, 220133), (1173, 213377), (1689, 148189), (6443, 38847), (8717, 28713), (9571, 26151), (12949, 19329)]