206905504

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1721}}^1$

素因数の和:1778

約数の個数: 72

約数和(自身を含む): 466272828

約数和(自身を除く): 259367324

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 208, 221, 272, 289, 416, 442, 544, 578, 884, 1156, 1721, 1768, 2312, 3442, 3536, 3757, 4624, 6884, 7072, 7514, 9248, 13768, 15028, 22373, 27536, 29257, 30056, 44746, 55072, 58514, 60112, 89492, 117028, 120224, 178984, 234056, 357968, 380341, 468112, 497369, 715936, 760682, 936224, 994738, 1521364, 1989476, 3042728, 3978952, 6085456, 6465797, 7957904, 12170912, 12931594, 15915808, 25863188, 51726376, 103452752, 206905504]

約数ペア:

[(1, 206905504), (2, 103452752), (4, 51726376), (8, 25863188), (13, 15915808), (16, 12931594), (17, 12170912), (26, 7957904), (32, 6465797), (34, 6085456), (52, 3978952), (68, 3042728), (104, 1989476), (136, 1521364), (208, 994738), (221, 936224), (272, 760682), (289, 715936), (416, 497369), (442, 468112), (544, 380341), (578, 357968), (884, 234056), (1156, 178984), (1721, 120224), (1768, 117028), (2312, 89492), (3442, 60112), (3536, 58514), (3757, 55072), (4624, 44746), (6884, 30056), (7072, 29257), (7514, 27536), (9248, 22373), (13768, 15028)]