639156

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{1087}}^1$

素因数の和:1108

約数の個数: 36

約数和(自身を含む): 1736448

約数和(自身を除く): 1097292

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 1087, 2174, 3261, 4348, 6522, 7609, 13044, 15218, 22827, 30436, 45654, 53263, 91308, 106526, 159789, 213052, 319578, 639156]

約数ペア:

[(1, 639156), (2, 319578), (3, 213052), (4, 159789), (6, 106526), (7, 91308), (12, 53263), (14, 45654), (21, 30436), (28, 22827), (42, 15218), (49, 13044), (84, 7609), (98, 6522), (147, 4348), (196, 3261), (294, 2174), (588, 1087)]