639563722

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1\times {\mathrm{3079}}^1$

素因数の和:3526

約数の個数: 32

約数和(自身を含む): 1129201920

約数和(自身を除く): 489638198

約数列:

[1, 2, 7, 14, 37, 74, 259, 401, 518, 802, 2807, 3079, 5614, 6158, 14837, 21553, 29674, 43106, 103859, 113923, 207718, 227846, 797461, 1234679, 1594922, 2469358, 8642753, 17285506, 45683123, 91366246, 319781861, 639563722]

約数ペア:

[(1, 639563722), (2, 319781861), (7, 91366246), (14, 45683123), (37, 17285506), (74, 8642753), (259, 2469358), (401, 1594922), (518, 1234679), (802, 797461), (2807, 227846), (3079, 207718), (5614, 113923), (6158, 103859), (14837, 43106), (21553, 29674)]