12821781172

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{349}}^1\times {\mathrm{3079}}^1$

素因数の和:3608

約数の個数: 48

約数和(自身を含む): 23845360000

約数和(自身を除く): 11023578828

約数列:

[1, 2, 4, 19, 38, 76, 157, 314, 349, 628, 698, 1396, 2983, 3079, 5966, 6158, 6631, 11932, 12316, 13262, 26524, 54793, 58501, 109586, 117002, 219172, 234004, 483403, 966806, 1041067, 1074571, 1933612, 2082134, 2149142, 4164268, 4298284, 9184657, 18369314, 20416849, 36738628, 40833698, 81667396, 168707647, 337415294, 674830588, 3205445293, 6410890586, 12821781172]

約数ペア:

[(1, 12821781172), (2, 6410890586), (4, 3205445293), (19, 674830588), (38, 337415294), (76, 168707647), (157, 81667396), (314, 40833698), (349, 36738628), (628, 20416849), (698, 18369314), (1396, 9184657), (2983, 4298284), (3079, 4164268), (5966, 2149142), (6158, 2082134), (6631, 1933612), (11932, 1074571), (12316, 1041067), (13262, 966806), (26524, 483403), (54793, 234004), (58501, 219172), (109586, 117002)]