668456124

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{39989}}^1$

素因数の和:40202

約数の個数: 48

約数和(自身を含む): 1791552000

約数和(自身を除く): 1123095876

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 199, 398, 597, 796, 1194, 1393, 2388, 2786, 4179, 5572, 8358, 16716, 39989, 79978, 119967, 159956, 239934, 279923, 479868, 559846, 839769, 1119692, 1679538, 3359076, 7957811, 15915622, 23873433, 31831244, 47746866, 55704677, 95493732, 111409354, 167114031, 222818708, 334228062, 668456124]

約数ペア:

[(1, 668456124), (2, 334228062), (3, 222818708), (4, 167114031), (6, 111409354), (7, 95493732), (12, 55704677), (14, 47746866), (21, 31831244), (28, 23873433), (42, 15915622), (84, 7957811), (199, 3359076), (398, 1679538), (597, 1119692), (796, 839769), (1194, 559846), (1393, 479868), (2388, 279923), (2786, 239934), (4179, 159956), (5572, 119967), (8358, 79978), (16716, 39989)]