221562536

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{787}}^1\times {\mathrm{2707}}^1$

素因数の和:3513

約数の個数: 32

約数和(自身を含む): 448119840

約数和(自身を除く): 226557304

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 787, 1574, 2707, 3148, 5414, 6296, 10231, 10828, 20462, 21656, 35191, 40924, 70382, 81848, 140764, 281528, 2130409, 4260818, 8521636, 17043272, 27695317, 55390634, 110781268, 221562536]

約数ペア:

[(1, 221562536), (2, 110781268), (4, 55390634), (8, 27695317), (13, 17043272), (26, 8521636), (52, 4260818), (104, 2130409), (787, 281528), (1574, 140764), (2707, 81848), (3148, 70382), (5414, 40924), (6296, 35191), (10231, 21656), (10828, 20462)]