61357490

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{971}}^1$

素因数の和:1138

約数の個数: 32

約数和(自身を含む): 113374080

約数和(自身を除く): 52016590

約数列:

[1, 2, 5, 10, 71, 89, 142, 178, 355, 445, 710, 890, 971, 1942, 4855, 6319, 9710, 12638, 31595, 63190, 68941, 86419, 137882, 172838, 344705, 432095, 689410, 864190, 6135749, 12271498, 30678745, 61357490]

約数ペア:

[(1, 61357490), (2, 30678745), (5, 12271498), (10, 6135749), (71, 864190), (89, 689410), (142, 432095), (178, 344705), (355, 172838), (445, 137882), (710, 86419), (890, 68941), (971, 63190), (1942, 31595), (4855, 12638), (6319, 9710)]