140890883

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{431}}^1$

素因数の和:563

約数の個数: 32

約数和(自身を含む): 177666048

約数和(自身を除く): 36775165

約数列:

[1, 7, 17, 41, 67, 119, 287, 431, 469, 697, 1139, 2747, 3017, 4879, 7327, 7973, 17671, 19229, 28877, 46699, 51289, 123697, 202139, 300407, 326893, 490909, 1183957, 2102849, 3436363, 8287699, 20127269, 140890883]

約数ペア:

[(1, 140890883), (7, 20127269), (17, 8287699), (41, 3436363), (67, 2102849), (119, 1183957), (287, 490909), (431, 326893), (469, 300407), (697, 202139), (1139, 123697), (2747, 51289), (3017, 46699), (4879, 28877), (7327, 19229), (7973, 17671)]