1999165008

素因数分解:

$2^4\times 3^1\times {\mathrm{163}}^1\times {\mathrm{255517}}^1$

素因数の和:255691

約数の個数: 40

約数和(自身を含む): 5196214048

約数和(自身を除く): 3197049040

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 163, 326, 489, 652, 978, 1304, 1956, 2608, 3912, 7824, 255517, 511034, 766551, 1022068, 1533102, 2044136, 3066204, 4088272, 6132408, 12264816, 41649271, 83298542, 124947813, 166597084, 249895626, 333194168, 499791252, 666388336, 999582504, 1999165008]

約数ペア:

[(1, 1999165008), (2, 999582504), (3, 666388336), (4, 499791252), (6, 333194168), (8, 249895626), (12, 166597084), (16, 124947813), (24, 83298542), (48, 41649271), (163, 12264816), (326, 6132408), (489, 4088272), (652, 3066204), (978, 2044136), (1304, 1533102), (1956, 1022068), (2608, 766551), (3912, 511034), (7824, 255517)]