666450722

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:363

約数の個数: 64

約数和(自身を含む): 1203358464

約数和(自身を除く): 536907742

約数列:

[1, 2, 7, 14, 43, 86, 97, 101, 113, 194, 202, 226, 301, 602, 679, 707, 791, 1358, 1414, 1582, 4171, 4343, 4859, 8342, 8686, 9718, 9797, 10961, 11413, 19594, 21922, 22826, 29197, 30401, 34013, 58394, 60802, 68026, 68579, 76727, 79891, 137158, 153454, 159782, 421271, 471323, 490759, 842542, 942646, 981518, 1107061, 2214122, 2948897, 3299261, 3435313, 5897794, 6598522, 6870626, 7749427, 15498854, 47603623, 95207246, 333225361, 666450722]

約数ペア:

[(1, 666450722), (2, 333225361), (7, 95207246), (14, 47603623), (43, 15498854), (86, 7749427), (97, 6870626), (101, 6598522), (113, 5897794), (194, 3435313), (202, 3299261), (226, 2948897), (301, 2214122), (602, 1107061), (679, 981518), (707, 942646), (791, 842542), (1358, 490759), (1414, 471323), (1582, 421271), (4171, 159782), (4343, 153454), (4859, 137158), (8342, 79891), (8686, 76727), (9718, 68579), (9797, 68026), (10961, 60802), (11413, 58394), (19594, 34013), (21922, 30401), (22826, 29197)]