220969912

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{503}}^1\times {\mathrm{617}}^1$

素因数の和:1215

約数の個数: 32

約数和(自身を含む): 420487200

約数和(自身を除く): 199517288

約数列:

[1, 2, 4, 8, 89, 178, 356, 503, 617, 712, 1006, 1234, 2012, 2468, 4024, 4936, 44767, 54913, 89534, 109826, 179068, 219652, 310351, 358136, 439304, 620702, 1241404, 2482808, 27621239, 55242478, 110484956, 220969912]

約数ペア:

[(1, 220969912), (2, 110484956), (4, 55242478), (8, 27621239), (89, 2482808), (178, 1241404), (356, 620702), (503, 439304), (617, 358136), (712, 310351), (1006, 219652), (1234, 179068), (2012, 109826), (2468, 89534), (4024, 54913), (4936, 44767)]