28666044

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{379}}^1$

素因数の和:591

約数の個数: 72

約数和(自身を含む): 79672320

約数和(自身を除く): 51006276

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 191, 198, 379, 382, 396, 573, 758, 764, 1137, 1146, 1516, 1719, 2101, 2274, 2292, 3411, 3438, 4169, 4202, 4548, 6303, 6822, 6876, 8338, 8404, 12507, 12606, 13644, 16676, 18909, 25014, 25212, 37521, 37818, 50028, 72389, 75042, 75636, 144778, 150084, 217167, 289556, 434334, 651501, 796279, 868668, 1303002, 1592558, 2388837, 2606004, 3185116, 4777674, 7166511, 9555348, 14333022, 28666044]

約数ペア:

[(1, 28666044), (2, 14333022), (3, 9555348), (4, 7166511), (6, 4777674), (9, 3185116), (11, 2606004), (12, 2388837), (18, 1592558), (22, 1303002), (33, 868668), (36, 796279), (44, 651501), (66, 434334), (99, 289556), (132, 217167), (191, 150084), (198, 144778), (379, 75636), (382, 75042), (396, 72389), (573, 50028), (758, 37818), (764, 37521), (1137, 25212), (1146, 25014), (1516, 18909), (1719, 16676), (2101, 13644), (2274, 12606), (2292, 12507), (3411, 8404), (3438, 8338), (4169, 6876), (4202, 6822), (4548, 6303)]