221626818

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{347}}^1$

素因数の和:536

約数の個数: 96

約数和(自身を含む): 569372544

約数和(自身を除く): 347745726

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 63, 74, 111, 126, 137, 222, 259, 274, 333, 347, 411, 518, 666, 694, 777, 822, 959, 1041, 1233, 1554, 1918, 2082, 2331, 2429, 2466, 2877, 3123, 4662, 4858, 5069, 5754, 6246, 7287, 8631, 10138, 12839, 14574, 15207, 17262, 21861, 25678, 30414, 35483, 38517, 43722, 45621, 47539, 70966, 77034, 89873, 91242, 95078, 106449, 115551, 142617, 179746, 212898, 231102, 269619, 285234, 319347, 332773, 427851, 539238, 638694, 665546, 808857, 855702, 998319, 1617714, 1758943, 1996638, 2994957, 3517886, 5276829, 5989914, 10553658, 12312601, 15830487, 24625202, 31660974, 36937803, 73875606, 110813409, 221626818]

約数ペア:

[(1, 221626818), (2, 110813409), (3, 73875606), (6, 36937803), (7, 31660974), (9, 24625202), (14, 15830487), (18, 12312601), (21, 10553658), (37, 5989914), (42, 5276829), (63, 3517886), (74, 2994957), (111, 1996638), (126, 1758943), (137, 1617714), (222, 998319), (259, 855702), (274, 808857), (333, 665546), (347, 638694), (411, 539238), (518, 427851), (666, 332773), (694, 319347), (777, 285234), (822, 269619), (959, 231102), (1041, 212898), (1233, 179746), (1554, 142617), (1918, 115551), (2082, 106449), (2331, 95078), (2429, 91242), (2466, 89873), (2877, 77034), (3123, 70966), (4662, 47539), (4858, 45621), (5069, 43722), (5754, 38517), (6246, 35483), (7287, 30414), (8631, 25678), (10138, 21861), (12839, 17262), (14574, 15207)]