31186490

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{523}}^1$

素因数の和:686

約数の個数: 32

約数和(自身を含む): 57723840

約数和(自身を除く): 26537350

約数列:

[1, 2, 5, 10, 67, 89, 134, 178, 335, 445, 523, 670, 890, 1046, 2615, 5230, 5963, 11926, 29815, 35041, 46547, 59630, 70082, 93094, 175205, 232735, 350410, 465470, 3118649, 6237298, 15593245, 31186490]

約数ペア:

[(1, 31186490), (2, 15593245), (5, 6237298), (10, 3118649), (67, 465470), (89, 350410), (134, 232735), (178, 175205), (335, 93094), (445, 70082), (523, 59630), (670, 46547), (890, 35041), (1046, 29815), (2615, 11926), (5230, 5963)]