1990846312

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{4253}}^1$

素因数の和:4922

約数の個数: 64

約数和(自身を含む): 4602487680

約数和(自身を除く): 2611641368

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 643, 728, 1286, 2572, 4253, 4501, 5144, 8359, 8506, 9002, 16718, 17012, 18004, 29771, 33436, 34024, 36008, 55289, 58513, 59542, 66872, 110578, 117026, 119084, 221156, 234052, 238168, 387023, 442312, 468104, 774046, 1548092, 2734679, 3096184, 5469358, 10938716, 19142753, 21877432, 35550827, 38285506, 71101654, 76571012, 142203308, 153142024, 248855789, 284406616, 497711578, 995423156, 1990846312]

約数ペア:

[(1, 1990846312), (2, 995423156), (4, 497711578), (7, 284406616), (8, 248855789), (13, 153142024), (14, 142203308), (26, 76571012), (28, 71101654), (52, 38285506), (56, 35550827), (91, 21877432), (104, 19142753), (182, 10938716), (364, 5469358), (643, 3096184), (728, 2734679), (1286, 1548092), (2572, 774046), (4253, 468104), (4501, 442312), (5144, 387023), (8359, 238168), (8506, 234052), (9002, 221156), (16718, 119084), (17012, 117026), (18004, 110578), (29771, 66872), (33436, 59542), (34024, 58513), (36008, 55289)]