256122493524

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{2257859}}^1$

素因数の和:2258029

約数の個数: 72

約数和(自身を含む): 680500941120

約数和(自身を除く): 424378447596

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 137, 138, 207, 274, 276, 411, 414, 548, 822, 828, 1233, 1644, 2466, 3151, 4932, 6302, 9453, 12604, 18906, 28359, 37812, 56718, 113436, 2257859, 4515718, 6773577, 9031436, 13547154, 20320731, 27094308, 40641462, 51930757, 81282924, 103861514, 155792271, 207723028, 309326683, 311584542, 467376813, 618653366, 623169084, 927980049, 934753626, 1237306732, 1855960098, 1869507252, 2783940147, 3711920196, 5567880294, 7114513709, 11135760588, 14229027418, 21343541127, 28458054836, 42687082254, 64030623381, 85374164508, 128061246762, 256122493524]

約数ペア:

[(1, 256122493524), (2, 128061246762), (3, 85374164508), (4, 64030623381), (6, 42687082254), (9, 28458054836), (12, 21343541127), (18, 14229027418), (23, 11135760588), (36, 7114513709), (46, 5567880294), (69, 3711920196), (92, 2783940147), (137, 1869507252), (138, 1855960098), (207, 1237306732), (274, 934753626), (276, 927980049), (411, 623169084), (414, 618653366), (548, 467376813), (822, 311584542), (828, 309326683), (1233, 207723028), (1644, 155792271), (2466, 103861514), (3151, 81282924), (4932, 51930757), (6302, 40641462), (9453, 27094308), (12604, 20320731), (18906, 13547154), (28359, 9031436), (37812, 6773577), (56718, 4515718), (113436, 2257859)]