128971550

素因数分解:

$2^1\times 5^2\times {\mathrm{181}}^1\times {\mathrm{14251}}^1$

素因数の和:14444

約数の個数: 24

約数和(自身を含む): 241229352

約数和(自身を除く): 112257802

約数列:

[1, 2, 5, 10, 25, 50, 181, 362, 905, 1810, 4525, 9050, 14251, 28502, 71255, 142510, 356275, 712550, 2579431, 5158862, 12897155, 25794310, 64485775, 128971550]

約数ペア:

[(1, 128971550), (2, 64485775), (5, 25794310), (10, 12897155), (25, 5158862), (50, 2579431), (181, 712550), (362, 356275), (905, 142510), (1810, 71255), (4525, 28502), (9050, 14251)]