87857476

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{661}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 181504512

約数和(自身を除く): 93647036

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 101, 188, 202, 329, 404, 658, 661, 707, 1316, 1322, 1414, 2644, 2828, 4627, 4747, 9254, 9494, 18508, 18988, 31067, 33229, 62134, 66458, 66761, 124268, 132916, 133522, 217469, 267044, 434938, 467327, 869876, 934654, 1869308, 3137767, 6275534, 12551068, 21964369, 43928738, 87857476]

約数ペア:

[(1, 87857476), (2, 43928738), (4, 21964369), (7, 12551068), (14, 6275534), (28, 3137767), (47, 1869308), (94, 934654), (101, 869876), (188, 467327), (202, 434938), (329, 267044), (404, 217469), (658, 133522), (661, 132916), (707, 124268), (1316, 66761), (1322, 66458), (1414, 62134), (2644, 33229), (2828, 31067), (4627, 18988), (4747, 18508), (9254, 9494)]