128956436

素因数分解:

$2^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{7927}}^1$

素因数の和:8028

約数の個数: 36

約数和(自身を含む): 265714848

約数和(自身を除く): 136758412

約数列:

[1, 2, 4, 7, 14, 28, 49, 83, 98, 166, 196, 332, 581, 1162, 2324, 4067, 7927, 8134, 15854, 16268, 31708, 55489, 110978, 221956, 388423, 657941, 776846, 1315882, 1553692, 2631764, 4605587, 9211174, 18422348, 32239109, 64478218, 128956436]

約数ペア:

[(1, 128956436), (2, 64478218), (4, 32239109), (7, 18422348), (14, 9211174), (28, 4605587), (49, 2631764), (83, 1553692), (98, 1315882), (166, 776846), (196, 657941), (332, 388423), (581, 221956), (1162, 110978), (2324, 55489), (4067, 31708), (7927, 16268), (8134, 15854)]