28637294

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{541}}^1$

素因数の和:768

約数の個数: 32

約数和(自身を含む): 52032000

約数和(自身を除く): 23394706

約数列:

[1, 2, 7, 14, 19, 38, 133, 199, 266, 398, 541, 1082, 1393, 2786, 3781, 3787, 7562, 7574, 10279, 20558, 26467, 52934, 71953, 107659, 143906, 215318, 753613, 1507226, 2045521, 4091042, 14318647, 28637294]

約数ペア:

[(1, 28637294), (2, 14318647), (7, 4091042), (14, 2045521), (19, 1507226), (38, 753613), (133, 215318), (199, 143906), (266, 107659), (398, 71953), (541, 52934), (1082, 26467), (1393, 20558), (2786, 10279), (3781, 7574), (3787, 7562)]