209555334

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^2\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:302

約数の個数: 72

約数和(自身を含む): 478283520

約数和(自身を除く): 268728186

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 109, 127, 174, 218, 254, 261, 327, 381, 522, 654, 762, 841, 981, 1143, 1682, 1962, 2286, 2523, 3161, 3683, 5046, 6322, 7366, 7569, 9483, 11049, 13843, 15138, 18966, 22098, 27686, 28449, 33147, 41529, 56898, 66294, 83058, 91669, 106807, 124587, 183338, 213614, 249174, 275007, 320421, 401447, 550014, 640842, 802894, 825021, 961263, 1204341, 1650042, 1922526, 2408682, 3613023, 7226046, 11641963, 23283926, 34925889, 69851778, 104777667, 209555334]

約数ペア:

[(1, 209555334), (2, 104777667), (3, 69851778), (6, 34925889), (9, 23283926), (18, 11641963), (29, 7226046), (58, 3613023), (87, 2408682), (109, 1922526), (127, 1650042), (174, 1204341), (218, 961263), (254, 825021), (261, 802894), (327, 640842), (381, 550014), (522, 401447), (654, 320421), (762, 275007), (841, 249174), (981, 213614), (1143, 183338), (1682, 124587), (1962, 106807), (2286, 91669), (2523, 83058), (3161, 66294), (3683, 56898), (5046, 41529), (6322, 33147), (7366, 28449), (7569, 27686), (9483, 22098), (11049, 18966), (13843, 15138)]