2180987026945

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{8111}}^1\times {\mathrm{12281}}^1$

素因数の和:20577

約数の個数: 32

約数和(自身を含む): 2725920138240

約数和(自身を除く): 544933111295

約数列:

[1, 5, 29, 145, 151, 755, 4379, 8111, 12281, 21895, 40555, 61405, 235219, 356149, 1176095, 1224761, 1780745, 1854431, 6123805, 9272155, 35518069, 53778499, 99611191, 177590345, 268892495, 498055955, 2888724539, 14443622695, 15041289841, 75206449205, 436197405389, 2180987026945]

約数ペア:

[(1, 2180987026945), (5, 436197405389), (29, 75206449205), (145, 15041289841), (151, 14443622695), (755, 2888724539), (4379, 498055955), (8111, 268892495), (12281, 177590345), (21895, 99611191), (40555, 53778499), (61405, 35518069), (235219, 9272155), (356149, 6123805), (1176095, 1854431), (1224761, 1780745)]