128674808

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{163}}^1\times {\mathrm{977}}^1$

素因数の和:1247

約数の個数: 32

約数和(自身を含む): 245399760

約数和(自身を除く): 116724952

約数列:

[1, 2, 4, 8, 101, 163, 202, 326, 404, 652, 808, 977, 1304, 1954, 3908, 7816, 16463, 32926, 65852, 98677, 131704, 159251, 197354, 318502, 394708, 637004, 789416, 1274008, 16084351, 32168702, 64337404, 128674808]

約数ペア:

[(1, 128674808), (2, 64337404), (4, 32168702), (8, 16084351), (101, 1274008), (163, 789416), (202, 637004), (326, 394708), (404, 318502), (652, 197354), (808, 159251), (977, 131704), (1304, 98677), (1954, 65852), (3908, 32926), (7816, 16463)]