258539764

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{485977}}^1$

素因数の和:486007

約数の個数: 24

約数和(自身を含む): 544295360

約数和(自身を除く): 285755596

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 485977, 971954, 1943908, 3401839, 6803678, 9233563, 13607356, 18467126, 36934252, 64634941, 129269882, 258539764]

約数ペア:

[(1, 258539764), (2, 129269882), (4, 64634941), (7, 36934252), (14, 18467126), (19, 13607356), (28, 9233563), (38, 6803678), (76, 3401839), (133, 1943908), (266, 971954), (532, 485977)]