641064912

素因数分解:

$2^4\times 3^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1\times {\mathrm{331}}^1$

素因数の和:756

約数の個数: 80

約数和(自身を含む): 1678172352

約数和(自身を除く): 1037107440

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 157, 257, 314, 331, 471, 514, 628, 662, 771, 942, 993, 1028, 1256, 1324, 1542, 1884, 1986, 2056, 2512, 2648, 3084, 3768, 3972, 4112, 5296, 6168, 7536, 7944, 12336, 15888, 40349, 51967, 80698, 85067, 103934, 121047, 155901, 161396, 170134, 207868, 242094, 255201, 311802, 322792, 340268, 415736, 484188, 510402, 623604, 645584, 680536, 831472, 968376, 1020804, 1247208, 1361072, 1936752, 2041608, 2494416, 4083216, 13355519, 26711038, 40066557, 53422076, 80133114, 106844152, 160266228, 213688304, 320532456, 641064912]

約数ペア:

[(1, 641064912), (2, 320532456), (3, 213688304), (4, 160266228), (6, 106844152), (8, 80133114), (12, 53422076), (16, 40066557), (24, 26711038), (48, 13355519), (157, 4083216), (257, 2494416), (314, 2041608), (331, 1936752), (471, 1361072), (514, 1247208), (628, 1020804), (662, 968376), (771, 831472), (942, 680536), (993, 645584), (1028, 623604), (1256, 510402), (1324, 484188), (1542, 415736), (1884, 340268), (1986, 322792), (2056, 311802), (2512, 255201), (2648, 242094), (3084, 207868), (3768, 170134), (3972, 161396), (4112, 155901), (5296, 121047), (6168, 103934), (7536, 85067), (7944, 80698), (12336, 51967), (15888, 40349)]