31574530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2729}}^1$

素因数の和:2838

約数の個数: 32

約数和(自身を含む): 61916400

約数和(自身を除く): 30341870

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 445, 890, 1157, 2314, 2729, 5458, 5785, 11570, 13645, 27290, 35477, 70954, 177385, 242881, 354770, 485762, 1214405, 2428810, 3157453, 6314906, 15787265, 31574530]

約数ペア:

[(1, 31574530), (2, 15787265), (5, 6314906), (10, 3157453), (13, 2428810), (26, 1214405), (65, 485762), (89, 354770), (130, 242881), (178, 177385), (445, 70954), (890, 35477), (1157, 27290), (2314, 13645), (2729, 11570), (5458, 5785)]