208398423

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{359}}^1$

素因数の和:611

約数の個数: 32

約数和(自身を含む): 298598400

約数和(自身を除く): 90199977

約数列:

[1, 3, 23, 47, 69, 141, 179, 359, 537, 1077, 1081, 3243, 4117, 8257, 8413, 12351, 16873, 24771, 25239, 50619, 64261, 192783, 193499, 388079, 580497, 1164237, 1478003, 3020267, 4434009, 9060801, 69466141, 208398423]

約数ペア:

[(1, 208398423), (3, 69466141), (23, 9060801), (47, 4434009), (69, 3020267), (141, 1478003), (179, 1164237), (359, 580497), (537, 388079), (1077, 193499), (1081, 192783), (3243, 64261), (4117, 50619), (8257, 25239), (8413, 24771), (12351, 16873)]