31403158

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:292

約数の個数: 32

約数和(自身を含む): 50561280

約数和(自身を除く): 19158122

約数列:

[1, 2, 37, 43, 71, 74, 86, 139, 142, 278, 1591, 2627, 3053, 3182, 5143, 5254, 5977, 6106, 9869, 10286, 11954, 19738, 112961, 221149, 225922, 365153, 424367, 442298, 730306, 848734, 15701579, 31403158]

約数ペア:

[(1, 31403158), (2, 15701579), (37, 848734), (43, 730306), (71, 442298), (74, 424367), (86, 365153), (139, 225922), (142, 221149), (278, 112961), (1591, 19738), (2627, 11954), (3053, 10286), (3182, 9869), (5143, 6106), (5254, 5977)]