646704604

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{887}}^1\times {\mathrm{2003}}^1$

素因数の和:2914

約数の個数: 48

約数和(自身を含む): 1395168768

約数和(自身を除く): 748464164

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 887, 1774, 2003, 3548, 4006, 6209, 8012, 11531, 12418, 14021, 23062, 24836, 26039, 28042, 46124, 52078, 56084, 80717, 104156, 161434, 182273, 322868, 364546, 729092, 1776661, 3553322, 7106644, 12436627, 23096593, 24873254, 46193186, 49746508, 92386372, 161676151, 323352302, 646704604]

約数ペア:

[(1, 646704604), (2, 323352302), (4, 161676151), (7, 92386372), (13, 49746508), (14, 46193186), (26, 24873254), (28, 23096593), (52, 12436627), (91, 7106644), (182, 3553322), (364, 1776661), (887, 729092), (1774, 364546), (2003, 322868), (3548, 182273), (4006, 161434), (6209, 104156), (8012, 80717), (11531, 56084), (12418, 52078), (14021, 46124), (23062, 28042), (24836, 26039)]