81618648

素因数分解:

$2^3\times 3^1\times {\mathrm{157}}^1\times {\mathrm{21661}}^1$

素因数の和:21827

約数の個数: 32

約数和(自身を含む): 205355760

約数和(自身を除く): 123737112

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 157, 314, 471, 628, 942, 1256, 1884, 3768, 21661, 43322, 64983, 86644, 129966, 173288, 259932, 519864, 3400777, 6801554, 10202331, 13603108, 20404662, 27206216, 40809324, 81618648]

約数ペア:

[(1, 81618648), (2, 40809324), (3, 27206216), (4, 20404662), (6, 13603108), (8, 10202331), (12, 6801554), (24, 3400777), (157, 519864), (314, 259932), (471, 173288), (628, 129966), (942, 86644), (1256, 64983), (1884, 43322), (3768, 21661)]