211565556

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{5477}}^1$

素因数の和:5553

約数の個数: 72

約数和(自身を含む): 568287720

約数和(自身を除く): 356722164

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 37, 58, 74, 87, 111, 116, 148, 174, 222, 261, 333, 348, 444, 522, 666, 1044, 1073, 1332, 2146, 3219, 4292, 5477, 6438, 9657, 10954, 12876, 16431, 19314, 21908, 32862, 38628, 49293, 65724, 98586, 158833, 197172, 202649, 317666, 405298, 476499, 607947, 635332, 810596, 952998, 1215894, 1429497, 1823841, 1905996, 2431788, 2858994, 3647682, 5717988, 5876821, 7295364, 11753642, 17630463, 23507284, 35260926, 52891389, 70521852, 105782778, 211565556]

約数ペア:

[(1, 211565556), (2, 105782778), (3, 70521852), (4, 52891389), (6, 35260926), (9, 23507284), (12, 17630463), (18, 11753642), (29, 7295364), (36, 5876821), (37, 5717988), (58, 3647682), (74, 2858994), (87, 2431788), (111, 1905996), (116, 1823841), (148, 1429497), (174, 1215894), (222, 952998), (261, 810596), (333, 635332), (348, 607947), (444, 476499), (522, 405298), (666, 317666), (1044, 202649), (1073, 197172), (1332, 158833), (2146, 98586), (3219, 65724), (4292, 49293), (5477, 38628), (6438, 32862), (9657, 21908), (10954, 19314), (12876, 16431)]