216911464

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:399

約数の個数: 128

約数和(自身を含む): 539320320

約数和(自身を除く): 322408856

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 37, 44, 56, 62, 74, 77, 88, 124, 148, 154, 217, 248, 259, 296, 307, 308, 341, 407, 434, 518, 614, 616, 682, 814, 868, 1036, 1147, 1228, 1364, 1628, 1736, 2072, 2149, 2294, 2387, 2456, 2728, 2849, 3256, 3377, 4298, 4588, 4774, 5698, 6754, 8029, 8596, 9176, 9517, 9548, 11359, 11396, 12617, 13508, 16058, 17192, 19034, 19096, 22718, 22792, 23639, 25234, 27016, 32116, 38068, 45436, 47278, 50468, 64232, 66619, 76136, 79513, 88319, 90872, 94556, 100936, 104687, 124949, 133238, 159026, 176638, 189112, 209374, 249898, 266476, 318052, 352129, 353276, 418748, 499796, 532952, 636104, 704258, 706552, 732809, 837496, 874643, 999592, 1408516, 1465618, 1749286, 2464903, 2817032, 2931236, 3498572, 3873419, 4929806, 5862472, 6997144, 7746838, 9859612, 15493676, 19719224, 27113933, 30987352, 54227866, 108455732, 216911464]

約数ペア:

[(1, 216911464), (2, 108455732), (4, 54227866), (7, 30987352), (8, 27113933), (11, 19719224), (14, 15493676), (22, 9859612), (28, 7746838), (31, 6997144), (37, 5862472), (44, 4929806), (56, 3873419), (62, 3498572), (74, 2931236), (77, 2817032), (88, 2464903), (124, 1749286), (148, 1465618), (154, 1408516), (217, 999592), (248, 874643), (259, 837496), (296, 732809), (307, 706552), (308, 704258), (341, 636104), (407, 532952), (434, 499796), (518, 418748), (614, 353276), (616, 352129), (682, 318052), (814, 266476), (868, 249898), (1036, 209374), (1147, 189112), (1228, 176638), (1364, 159026), (1628, 133238), (1736, 124949), (2072, 104687), (2149, 100936), (2294, 94556), (2387, 90872), (2456, 88319), (2728, 79513), (2849, 76136), (3256, 66619), (3377, 64232), (4298, 50468), (4588, 47278), (4774, 45436), (5698, 38068), (6754, 32116), (8029, 27016), (8596, 25234), (9176, 23639), (9517, 22792), (9548, 22718), (11359, 19096), (11396, 19034), (12617, 17192), (13508, 16058)]