1397580968

素因数分解:

$2^3\times 7^1\times {\mathrm{1427}}^1\times {\mathrm{17489}}^1$

素因数の和:18929

約数の個数: 32

約数和(自身を含む): 2997086400

約数和(自身を除く): 1599505432

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1427, 2854, 5708, 9989, 11416, 17489, 19978, 34978, 39956, 69956, 79912, 122423, 139912, 244846, 489692, 979384, 24956803, 49913606, 99827212, 174697621, 199654424, 349395242, 698790484, 1397580968]

約数ペア:

[(1, 1397580968), (2, 698790484), (4, 349395242), (7, 199654424), (8, 174697621), (14, 99827212), (28, 49913606), (56, 24956803), (1427, 979384), (2854, 489692), (5708, 244846), (9989, 139912), (11416, 122423), (17489, 79912), (19978, 69956), (34978, 39956)]