631048

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:189

約数の個数: 32

約数和(自身を含む): 1321920

約数和(自身を除く): 690872

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 101, 142, 202, 284, 404, 568, 781, 808, 1111, 1562, 2222, 3124, 4444, 6248, 7171, 8888, 14342, 28684, 57368, 78881, 157762, 315524, 631048]

約数ペア:

[(1, 631048), (2, 315524), (4, 157762), (8, 78881), (11, 57368), (22, 28684), (44, 14342), (71, 8888), (88, 7171), (101, 6248), (142, 4444), (202, 3124), (284, 2222), (404, 1562), (568, 1111), (781, 808)]