81512808

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1907}}^1$

素因数の和:2066

約数の個数: 64

約数和(自身を含む): 221175360

約数和(自身を除く): 139662552

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 137, 156, 274, 312, 411, 548, 822, 1096, 1644, 1781, 1907, 3288, 3562, 3814, 5343, 5721, 7124, 7628, 10686, 11442, 14248, 15256, 21372, 22884, 24791, 42744, 45768, 49582, 74373, 99164, 148746, 198328, 261259, 297492, 522518, 594984, 783777, 1045036, 1567554, 2090072, 3135108, 3396367, 6270216, 6792734, 10189101, 13585468, 20378202, 27170936, 40756404, 81512808]

約数ペア:

[(1, 81512808), (2, 40756404), (3, 27170936), (4, 20378202), (6, 13585468), (8, 10189101), (12, 6792734), (13, 6270216), (24, 3396367), (26, 3135108), (39, 2090072), (52, 1567554), (78, 1045036), (104, 783777), (137, 594984), (156, 522518), (274, 297492), (312, 261259), (411, 198328), (548, 148746), (822, 99164), (1096, 74373), (1644, 49582), (1781, 45768), (1907, 42744), (3288, 24791), (3562, 22884), (3814, 21372), (5343, 15256), (5721, 14248), (7124, 11442), (7628, 10686)]