16980138

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1549}}^1$

素因数の和:1596

約数の個数: 64

約数和(自身を含む): 44640000

約数和(自身を除く): 27659862

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 29, 42, 54, 58, 63, 87, 126, 174, 189, 203, 261, 378, 406, 522, 609, 783, 1218, 1549, 1566, 1827, 3098, 3654, 4647, 5481, 9294, 10843, 10962, 13941, 21686, 27882, 32529, 41823, 44921, 65058, 83646, 89842, 97587, 134763, 195174, 269526, 292761, 314447, 404289, 585522, 628894, 808578, 943341, 1212867, 1886682, 2425734, 2830023, 5660046, 8490069, 16980138]

約数ペア:

[(1, 16980138), (2, 8490069), (3, 5660046), (6, 2830023), (7, 2425734), (9, 1886682), (14, 1212867), (18, 943341), (21, 808578), (27, 628894), (29, 585522), (42, 404289), (54, 314447), (58, 292761), (63, 269526), (87, 195174), (126, 134763), (174, 97587), (189, 89842), (203, 83646), (261, 65058), (378, 44921), (406, 41823), (522, 32529), (609, 27882), (783, 21686), (1218, 13941), (1549, 10962), (1566, 10843), (1827, 9294), (3098, 5481), (3654, 4647)]