242138862

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{640579}}^1$

素因数の和:640597

約数の個数: 32

約数和(自身を含む): 614956800

約数和(自身を除く): 372817938

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 640579, 1281158, 1921737, 3843474, 4484053, 5765211, 8968106, 11530422, 13452159, 17295633, 26904318, 34591266, 40356477, 80712954, 121069431, 242138862]

約数ペア:

[(1, 242138862), (2, 121069431), (3, 80712954), (6, 40356477), (7, 34591266), (9, 26904318), (14, 17295633), (18, 13452159), (21, 11530422), (27, 8968106), (42, 5765211), (54, 4484053), (63, 3843474), (126, 1921737), (189, 1281158), (378, 640579)]