221552939

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1\times {\mathrm{739}}^1$

素因数の和:1298

約数の個数: 16

約数和(自身を含む): 241536000

約数和(自身を除く): 19983061

約数列:

[1, 19, 31, 509, 589, 739, 9671, 14041, 15779, 22909, 299801, 376151, 435271, 7146869, 11660681, 221552939]

約数ペア:

[(1, 221552939), (19, 11660681), (31, 7146869), (509, 435271), (589, 376151), (739, 299801), (9671, 22909), (14041, 15779)]