84720412

素因数分解:

$2^2\times 7^2\times {\mathrm{571}}^1\times {\mathrm{757}}^1$

素因数の和:1346

約数の個数: 36

約数和(自身を含む): 172996824

約数和(自身を除く): 88276412

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 571, 757, 1142, 1514, 2284, 3028, 3997, 5299, 7994, 10598, 15988, 21196, 27979, 37093, 55958, 74186, 111916, 148372, 432247, 864494, 1728988, 3025729, 6051458, 12102916, 21180103, 42360206, 84720412]

約数ペア:

[(1, 84720412), (2, 42360206), (4, 21180103), (7, 12102916), (14, 6051458), (28, 3025729), (49, 1728988), (98, 864494), (196, 432247), (571, 148372), (757, 111916), (1142, 74186), (1514, 55958), (2284, 37093), (3028, 27979), (3997, 21196), (5299, 15988), (7994, 10598)]