208521684

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{5953}}^1$

素因数の和:6109

約数の個数: 72

約数和(自身を含む): 606831680

約数和(自身を除く): 398309996

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 139, 252, 278, 417, 556, 834, 973, 1251, 1668, 1946, 2502, 2919, 3892, 5004, 5838, 5953, 8757, 11676, 11906, 17514, 17859, 23812, 35028, 35718, 41671, 53577, 71436, 83342, 107154, 125013, 166684, 214308, 250026, 375039, 500052, 750078, 827467, 1500156, 1654934, 2482401, 3309868, 4964802, 5792269, 7447203, 9929604, 11584538, 14894406, 17376807, 23169076, 29788812, 34753614, 52130421, 69507228, 104260842, 208521684]

約数ペア:

[(1, 208521684), (2, 104260842), (3, 69507228), (4, 52130421), (6, 34753614), (7, 29788812), (9, 23169076), (12, 17376807), (14, 14894406), (18, 11584538), (21, 9929604), (28, 7447203), (36, 5792269), (42, 4964802), (63, 3309868), (84, 2482401), (126, 1654934), (139, 1500156), (252, 827467), (278, 750078), (417, 500052), (556, 375039), (834, 250026), (973, 214308), (1251, 166684), (1668, 125013), (1946, 107154), (2502, 83342), (2919, 71436), (3892, 53577), (5004, 41671), (5838, 35718), (5953, 35028), (8757, 23812), (11676, 17859), (11906, 17514)]