397768084

素因数分解:

$2^2\times 7^2\times {\mathrm{1087}}^1\times {\mathrm{1867}}^1$

素因数の和:2972

約数の個数: 36

約数和(自身を含む): 810921216

約数和(自身を除く): 413153132

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 1087, 1867, 2174, 3734, 4348, 7468, 7609, 13069, 15218, 26138, 30436, 52276, 53263, 91483, 106526, 182966, 213052, 365932, 2029429, 4058858, 8117716, 14206003, 28412006, 56824012, 99442021, 198884042, 397768084]

約数ペア:

[(1, 397768084), (2, 198884042), (4, 99442021), (7, 56824012), (14, 28412006), (28, 14206003), (49, 8117716), (98, 4058858), (196, 2029429), (1087, 365932), (1867, 213052), (2174, 182966), (3734, 106526), (4348, 91483), (7468, 53263), (7609, 52276), (13069, 30436), (15218, 26138)]