639598416

素因数分解:

$2^4\times 3^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1\times {\mathrm{439}}^1$

素因数の和:816

約数の個数: 80

約数和(自身を含む): 1676083200

約数和(自身を除く): 1036484784

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 127, 239, 254, 381, 439, 478, 508, 717, 762, 878, 956, 1016, 1317, 1434, 1524, 1756, 1912, 2032, 2634, 2868, 3048, 3512, 3824, 5268, 5736, 6096, 7024, 10536, 11472, 21072, 30353, 55753, 60706, 91059, 104921, 111506, 121412, 167259, 182118, 209842, 223012, 242824, 314763, 334518, 364236, 419684, 446024, 485648, 629526, 669036, 728472, 839368, 892048, 1259052, 1338072, 1456944, 1678736, 2518104, 2676144, 5036208, 13324967, 26649934, 39974901, 53299868, 79949802, 106599736, 159899604, 213199472, 319799208, 639598416]

約数ペア:

[(1, 639598416), (2, 319799208), (3, 213199472), (4, 159899604), (6, 106599736), (8, 79949802), (12, 53299868), (16, 39974901), (24, 26649934), (48, 13324967), (127, 5036208), (239, 2676144), (254, 2518104), (381, 1678736), (439, 1456944), (478, 1338072), (508, 1259052), (717, 892048), (762, 839368), (878, 728472), (956, 669036), (1016, 629526), (1317, 485648), (1434, 446024), (1524, 419684), (1756, 364236), (1912, 334518), (2032, 314763), (2634, 242824), (2868, 223012), (3048, 209842), (3512, 182118), (3824, 167259), (5268, 121412), (5736, 111506), (6096, 104921), (7024, 91059), (10536, 60706), (11472, 55753), (21072, 30353)]