31145112

素因数分解:

$2^3\times 3^2\times {\mathrm{491}}^1\times {\mathrm{881}}^1$

素因数の和:1384

約数の個数: 48

約数和(自身を含む): 84619080

約数和(自身を除く): 53473968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 491, 881, 982, 1473, 1762, 1964, 2643, 2946, 3524, 3928, 4419, 5286, 5892, 7048, 7929, 8838, 10572, 11784, 15858, 17676, 21144, 31716, 35352, 63432, 432571, 865142, 1297713, 1730284, 2595426, 3460568, 3893139, 5190852, 7786278, 10381704, 15572556, 31145112]

約数ペア:

[(1, 31145112), (2, 15572556), (3, 10381704), (4, 7786278), (6, 5190852), (8, 3893139), (9, 3460568), (12, 2595426), (18, 1730284), (24, 1297713), (36, 865142), (72, 432571), (491, 63432), (881, 35352), (982, 31716), (1473, 21144), (1762, 17676), (1964, 15858), (2643, 11784), (2946, 10572), (3524, 8838), (3928, 7929), (4419, 7048), (5286, 5892)]