646308

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{1381}}^1$

素因数の和:1404

約数の個数: 36

約数和(自身を含む): 1760668

約数和(自身を除く): 1114360

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 1381, 2762, 4143, 5524, 8286, 12429, 16572, 17953, 24858, 35906, 49716, 53859, 71812, 107718, 161577, 215436, 323154, 646308]

約数ペア:

[(1, 646308), (2, 323154), (3, 215436), (4, 161577), (6, 107718), (9, 71812), (12, 53859), (13, 49716), (18, 35906), (26, 24858), (36, 17953), (39, 16572), (52, 12429), (78, 8286), (117, 5524), (156, 4143), (234, 2762), (468, 1381)]