2553683223

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1\times {\mathrm{461}}^1$

素因数の和:784

約数の個数: 64

約数和(自身を含む): 4262049792

約数和(自身を除く): 1708366569

約数列:

[1, 3, 7, 13, 21, 39, 91, 103, 197, 273, 309, 461, 591, 721, 1339, 1379, 1383, 2163, 2561, 3227, 4017, 4137, 5993, 7683, 9373, 9681, 17927, 17979, 20291, 28119, 41951, 47483, 53781, 60873, 90817, 125853, 142037, 142449, 263783, 272451, 332381, 426111, 617279, 635719, 791349, 997143, 1180621, 1846481, 1851837, 1907157, 3541863, 4320953, 5539443, 8264347, 9354151, 12962859, 24793041, 28062453, 65479057, 121603963, 196437171, 364811889, 851227741, 2553683223]

約数ペア:

[(1, 2553683223), (3, 851227741), (7, 364811889), (13, 196437171), (21, 121603963), (39, 65479057), (91, 28062453), (103, 24793041), (197, 12962859), (273, 9354151), (309, 8264347), (461, 5539443), (591, 4320953), (721, 3541863), (1339, 1907157), (1379, 1851837), (1383, 1846481), (2163, 1180621), (2561, 997143), (3227, 791349), (4017, 635719), (4137, 617279), (5993, 426111), (7683, 332381), (9373, 272451), (9681, 263783), (17927, 142449), (17979, 142037), (20291, 125853), (28119, 90817), (41951, 60873), (47483, 53781)]