989800316

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{2027}}^1$

素因数の和:2258

約数の個数: 48

約数和(自身を含む): 1888862976

約数和(自身を除く): 899062660

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 167, 172, 334, 668, 731, 1462, 2027, 2839, 2924, 4054, 5678, 7181, 8108, 11356, 14362, 28724, 34459, 68918, 87161, 122077, 137836, 174322, 244154, 338509, 348644, 488308, 677018, 1354036, 1481737, 2963474, 5754653, 5926948, 11509306, 14555887, 23018612, 29111774, 58223548, 247450079, 494900158, 989800316]

約数ペア:

[(1, 989800316), (2, 494900158), (4, 247450079), (17, 58223548), (34, 29111774), (43, 23018612), (68, 14555887), (86, 11509306), (167, 5926948), (172, 5754653), (334, 2963474), (668, 1481737), (731, 1354036), (1462, 677018), (2027, 488308), (2839, 348644), (2924, 338509), (4054, 244154), (5678, 174322), (7181, 137836), (8108, 122077), (11356, 87161), (14362, 68918), (28724, 34459)]