28104472

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{821}}^1$

素因数の和:1227

約数の個数: 32

約数和(自身を含む): 57704400

約数和(自身を除く): 29599928

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 389, 778, 821, 1556, 1642, 3112, 3284, 4279, 6568, 8558, 9031, 17116, 18062, 34232, 36124, 72248, 319369, 638738, 1277476, 2554952, 3513059, 7026118, 14052236, 28104472]

約数ペア:

[(1, 28104472), (2, 14052236), (4, 7026118), (8, 3513059), (11, 2554952), (22, 1277476), (44, 638738), (88, 319369), (389, 72248), (778, 36124), (821, 34232), (1556, 18062), (1642, 17116), (3112, 9031), (3284, 8558), (4279, 6568)]