221595528

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{991}}^1$

素因数の和:1040

約数の個数: 128

約数和(自身を含む): 697098240

約数和(自身を除く): 475502712

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 121, 132, 154, 168, 231, 242, 264, 308, 363, 462, 484, 616, 726, 847, 924, 968, 991, 1331, 1452, 1694, 1848, 1982, 2541, 2662, 2904, 2973, 3388, 3964, 3993, 5082, 5324, 5946, 6776, 6937, 7928, 7986, 9317, 10164, 10648, 10901, 11892, 13874, 15972, 18634, 20328, 20811, 21802, 23784, 27748, 27951, 31944, 32703, 37268, 41622, 43604, 55496, 55902, 65406, 74536, 76307, 83244, 87208, 111804, 119911, 130812, 152614, 166488, 223608, 228921, 239822, 261624, 305228, 359733, 457842, 479644, 610456, 719466, 839377, 915684, 959288, 1319021, 1438932, 1678754, 1831368, 2518131, 2638042, 2877864, 3357508, 3957063, 5036262, 5276084, 6715016, 7914126, 9233147, 10072524, 10552168, 15828252, 18466294, 20145048, 27699441, 31656504, 36932588, 55398882, 73865176, 110797764, 221595528]

約数ペア:

[(1, 221595528), (2, 110797764), (3, 73865176), (4, 55398882), (6, 36932588), (7, 31656504), (8, 27699441), (11, 20145048), (12, 18466294), (14, 15828252), (21, 10552168), (22, 10072524), (24, 9233147), (28, 7914126), (33, 6715016), (42, 5276084), (44, 5036262), (56, 3957063), (66, 3357508), (77, 2877864), (84, 2638042), (88, 2518131), (121, 1831368), (132, 1678754), (154, 1438932), (168, 1319021), (231, 959288), (242, 915684), (264, 839377), (308, 719466), (363, 610456), (462, 479644), (484, 457842), (616, 359733), (726, 305228), (847, 261624), (924, 239822), (968, 228921), (991, 223608), (1331, 166488), (1452, 152614), (1694, 130812), (1848, 119911), (1982, 111804), (2541, 87208), (2662, 83244), (2904, 76307), (2973, 74536), (3388, 65406), (3964, 55902), (3993, 55496), (5082, 43604), (5324, 41622), (5946, 37268), (6776, 32703), (6937, 31944), (7928, 27951), (7986, 27748), (9317, 23784), (10164, 21802), (10648, 20811), (10901, 20328), (11892, 18634), (13874, 15972)]