218990015

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{12611}}^1$

素因数の和:12790

約数の個数: 16

約数和(自身を含む): 276051456

約数和(自身を除く): 57061441

約数列:

[1, 5, 23, 115, 151, 755, 3473, 12611, 17365, 63055, 290053, 1450265, 1904261, 9521305, 43798003, 218990015]

約数ペア:

[(1, 218990015), (5, 43798003), (23, 9521305), (115, 1904261), (151, 1450265), (755, 290053), (3473, 63055), (12611, 17365)]