289584568

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{6521}}^1$

素因数の和:6608

約数の個数: 64

約数和(自身を含む): 679331520

約数和(自身を除く): 389746952

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 61, 91, 104, 122, 182, 244, 364, 427, 488, 728, 793, 854, 1586, 1708, 3172, 3416, 5551, 6344, 6521, 11102, 13042, 22204, 26084, 44408, 45647, 52168, 84773, 91294, 169546, 182588, 339092, 365176, 397781, 593411, 678184, 795562, 1186822, 1591124, 2373644, 2784467, 3182248, 4747288, 5171153, 5568934, 10342306, 11137868, 20684612, 22275736, 36198071, 41369224, 72396142, 144792284, 289584568]

約数ペア:

[(1, 289584568), (2, 144792284), (4, 72396142), (7, 41369224), (8, 36198071), (13, 22275736), (14, 20684612), (26, 11137868), (28, 10342306), (52, 5568934), (56, 5171153), (61, 4747288), (91, 3182248), (104, 2784467), (122, 2373644), (182, 1591124), (244, 1186822), (364, 795562), (427, 678184), (488, 593411), (728, 397781), (793, 365176), (854, 339092), (1586, 182588), (1708, 169546), (3172, 91294), (3416, 84773), (5551, 52168), (6344, 45647), (6521, 44408), (11102, 26084), (13042, 22204)]