86899210

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1\times {\mathrm{347}}^1$

素因数の和:750

約数の個数: 32

約数和(自身を含む): 159356160

約数和(自身を除く): 72456950

約数列:

[1, 2, 5, 10, 79, 158, 317, 347, 395, 634, 694, 790, 1585, 1735, 3170, 3470, 25043, 27413, 50086, 54826, 109999, 125215, 137065, 219998, 250430, 274130, 549995, 1099990, 8689921, 17379842, 43449605, 86899210]

約数ペア:

[(1, 86899210), (2, 43449605), (5, 17379842), (10, 8689921), (79, 1099990), (158, 549995), (317, 274130), (347, 250430), (395, 219998), (634, 137065), (694, 125215), (790, 109999), (1585, 54826), (1735, 50086), (3170, 27413), (3470, 25043)]