28390212

素因数分解:

$2^2\times 3^2\times {\mathrm{181}}^1\times {\mathrm{4357}}^1$

素因数の和:4548

約数の個数: 36

約数和(自身を含む): 72177196

約数和(自身を除く): 43786984

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 181, 362, 543, 724, 1086, 1629, 2172, 3258, 4357, 6516, 8714, 13071, 17428, 26142, 39213, 52284, 78426, 156852, 788617, 1577234, 2365851, 3154468, 4731702, 7097553, 9463404, 14195106, 28390212]

約数ペア:

[(1, 28390212), (2, 14195106), (3, 9463404), (4, 7097553), (6, 4731702), (9, 3154468), (12, 2365851), (18, 1577234), (36, 788617), (181, 156852), (362, 78426), (543, 52284), (724, 39213), (1086, 26142), (1629, 17428), (2172, 13071), (3258, 8714), (4357, 6516)]