720492318

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{439861}}^1$

素因数の和:439889

約数の個数: 48

約数和(自身を含む): 1921317216

約数和(自身を除く): 1200824898

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 439861, 879722, 1319583, 2639166, 3079027, 3958749, 5718193, 6158054, 7917498, 9237081, 11436386, 17154579, 18474162, 27711243, 34309158, 40027351, 51463737, 55422486, 80054702, 102927474, 120082053, 240164106, 360246159, 720492318]

約数ペア:

[(1, 720492318), (2, 360246159), (3, 240164106), (6, 120082053), (7, 102927474), (9, 80054702), (13, 55422486), (14, 51463737), (18, 40027351), (21, 34309158), (26, 27711243), (39, 18474162), (42, 17154579), (63, 11436386), (78, 9237081), (91, 7917498), (117, 6158054), (126, 5718193), (182, 3958749), (234, 3079027), (273, 2639166), (546, 1319583), (819, 879722), (1638, 439861)]