72121321

素因数分解:

${\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{269}}^1$

素因数の和:528

約数の個数: 16

約数和(自身を含む): 77500800

約数和(自身を除く): 5379479

約数列:

[1, 19, 103, 137, 269, 1957, 2603, 5111, 14111, 27707, 36853, 268109, 526433, 700207, 3795859, 72121321]

約数ペア:

[(1, 72121321), (19, 3795859), (103, 700207), (137, 526433), (269, 268109), (1957, 36853), (2603, 27707), (5111, 14111)]