427439688

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{607}}^1$

素因数の和:727

約数の個数: 128

約数和(自身を含む): 1203256320

約数和(自身を除く): 775816632

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 37, 39, 52, 61, 74, 78, 104, 111, 122, 148, 156, 183, 222, 244, 296, 312, 366, 444, 481, 488, 607, 732, 793, 888, 962, 1214, 1443, 1464, 1586, 1821, 1924, 2257, 2379, 2428, 2886, 3172, 3642, 3848, 4514, 4758, 4856, 5772, 6344, 6771, 7284, 7891, 9028, 9516, 11544, 13542, 14568, 15782, 18056, 19032, 22459, 23673, 27084, 29341, 31564, 37027, 44918, 47346, 54168, 58682, 63128, 67377, 74054, 88023, 89836, 94692, 111081, 117364, 134754, 148108, 176046, 179672, 189384, 222162, 234728, 269508, 291967, 296216, 352092, 444324, 481351, 539016, 583934, 704184, 875901, 888648, 962702, 1167868, 1369999, 1444053, 1751802, 1925404, 2335736, 2739998, 2888106, 3503604, 3850808, 4109997, 5479996, 5776212, 7007208, 8219994, 10959992, 11552424, 16439988, 17809987, 32879976, 35619974, 53429961, 71239948, 106859922, 142479896, 213719844, 427439688]

約数ペア:

[(1, 427439688), (2, 213719844), (3, 142479896), (4, 106859922), (6, 71239948), (8, 53429961), (12, 35619974), (13, 32879976), (24, 17809987), (26, 16439988), (37, 11552424), (39, 10959992), (52, 8219994), (61, 7007208), (74, 5776212), (78, 5479996), (104, 4109997), (111, 3850808), (122, 3503604), (148, 2888106), (156, 2739998), (183, 2335736), (222, 1925404), (244, 1751802), (296, 1444053), (312, 1369999), (366, 1167868), (444, 962702), (481, 888648), (488, 875901), (607, 704184), (732, 583934), (793, 539016), (888, 481351), (962, 444324), (1214, 352092), (1443, 296216), (1464, 291967), (1586, 269508), (1821, 234728), (1924, 222162), (2257, 189384), (2379, 179672), (2428, 176046), (2886, 148108), (3172, 134754), (3642, 117364), (3848, 111081), (4514, 94692), (4758, 89836), (4856, 88023), (5772, 74054), (6344, 67377), (6771, 63128), (7284, 58682), (7891, 54168), (9028, 47346), (9516, 44918), (11544, 37027), (13542, 31564), (14568, 29341), (15782, 27084), (18056, 23673), (19032, 22459)]