1213641505

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{27611}}^1$

素因数の和:27824

約数の個数: 16

約数和(自身を含む): 1491048000

約数和(自身を除く): 277406495

約数列:

[1, 5, 59, 149, 295, 745, 8791, 27611, 43955, 138055, 1629049, 4114039, 8145245, 20570195, 242728301, 1213641505]

約数ペア:

[(1, 1213641505), (5, 242728301), (59, 20570195), (149, 8145245), (295, 4114039), (745, 1629049), (8791, 138055), (27611, 43955)]