81612566

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1\times {\mathrm{521}}^1$

素因数の和:764

約数の個数: 32

約数和(自身を含む): 143119872

約数和(自身を除く): 61507306

約数列:

[1, 2, 7, 14, 67, 134, 167, 334, 469, 521, 938, 1042, 1169, 2338, 3647, 7294, 11189, 22378, 34907, 69814, 78323, 87007, 156646, 174014, 244349, 488698, 609049, 1218098, 5829469, 11658938, 40806283, 81612566]

約数ペア:

[(1, 81612566), (2, 40806283), (7, 11658938), (14, 5829469), (67, 1218098), (134, 609049), (167, 488698), (334, 244349), (469, 174014), (521, 156646), (938, 87007), (1042, 78323), (1169, 69814), (2338, 34907), (3647, 22378), (7294, 11189)]