866215870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{17581}}^1$

素因数の和:17980

約数の個数: 32

約数和(自身を含む): 1683652320

約数和(自身を除く): 817436450

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 379, 758, 1895, 3790, 4927, 9854, 17581, 24635, 35162, 49270, 87905, 175810, 228553, 457106, 1142765, 2285530, 6663199, 13326398, 33315995, 66631990, 86621587, 173243174, 433107935, 866215870]

約数ペア:

[(1, 866215870), (2, 433107935), (5, 173243174), (10, 86621587), (13, 66631990), (26, 33315995), (65, 13326398), (130, 6663199), (379, 2285530), (758, 1142765), (1895, 457106), (3790, 228553), (4927, 175810), (9854, 87905), (17581, 49270), (24635, 35162)]