646239672

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{690427}}^1$

素因数の和:690452

約数の個数: 48

約数和(自身を含む): 1884868440

約数和(自身を除く): 1238628768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 690427, 1380854, 2071281, 2761708, 4142562, 5523416, 6213843, 8285124, 8975551, 12427686, 16570248, 17951102, 24855372, 26926653, 35902204, 49710744, 53853306, 71804408, 80779959, 107706612, 161559918, 215413224, 323119836, 646239672]

約数ペア:

[(1, 646239672), (2, 323119836), (3, 215413224), (4, 161559918), (6, 107706612), (8, 80779959), (9, 71804408), (12, 53853306), (13, 49710744), (18, 35902204), (24, 26926653), (26, 24855372), (36, 17951102), (39, 16570248), (52, 12427686), (72, 8975551), (78, 8285124), (104, 6213843), (117, 5523416), (156, 4142562), (234, 2761708), (312, 2071281), (468, 1380854), (936, 690427)]