28366977665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1$

素因数の和:459

約数の個数: 128

約数和(自身を含む): 42018020352

約数和(自身を除く): 13651042687

約数列:

[1, 5, 13, 17, 23, 43, 65, 85, 101, 115, 215, 221, 257, 299, 391, 505, 559, 731, 989, 1105, 1285, 1313, 1495, 1717, 1955, 2323, 2795, 3341, 3655, 4343, 4369, 4945, 5083, 5911, 6565, 8585, 9503, 11051, 11615, 12857, 16705, 16813, 21715, 21845, 22321, 25415, 25957, 29555, 30199, 39491, 47515, 55255, 56459, 56797, 64285, 73831, 76843, 84065, 99889, 100487, 111605, 129785, 143663, 150995, 187867, 197455, 218569, 254173, 282295, 283985, 337441, 369155, 384215, 441269, 499445, 502435, 513383, 597011, 718315, 939335, 959803, 1092845, 1116151, 1270865, 1298557, 1306331, 1687205, 1698113, 2206345, 2442271, 2566915, 2985055, 3304249, 4320941, 4799015, 5580755, 5736497, 6492785, 6531655, 7761143, 8490565, 10149187, 12211355, 14509963, 16521245, 18974567, 21604705, 22075469, 25671473, 28682485, 38805715, 50745935, 56172233, 72549815, 94872835, 110377345, 128357365, 131939431, 246669371, 280861165, 333729149, 436415041, 659697155, 1233346855, 1668645745, 2182075205, 5673395533, 28366977665]

約数ペア:

[(1, 28366977665), (5, 5673395533), (13, 2182075205), (17, 1668645745), (23, 1233346855), (43, 659697155), (65, 436415041), (85, 333729149), (101, 280861165), (115, 246669371), (215, 131939431), (221, 128357365), (257, 110377345), (299, 94872835), (391, 72549815), (505, 56172233), (559, 50745935), (731, 38805715), (989, 28682485), (1105, 25671473), (1285, 22075469), (1313, 21604705), (1495, 18974567), (1717, 16521245), (1955, 14509963), (2323, 12211355), (2795, 10149187), (3341, 8490565), (3655, 7761143), (4343, 6531655), (4369, 6492785), (4945, 5736497), (5083, 5580755), (5911, 4799015), (6565, 4320941), (8585, 3304249), (9503, 2985055), (11051, 2566915), (11615, 2442271), (12857, 2206345), (16705, 1698113), (16813, 1687205), (21715, 1306331), (21845, 1298557), (22321, 1270865), (25415, 1116151), (25957, 1092845), (29555, 959803), (30199, 939335), (39491, 718315), (47515, 597011), (55255, 513383), (56459, 502435), (56797, 499445), (64285, 441269), (73831, 384215), (76843, 369155), (84065, 337441), (99889, 283985), (100487, 282295), (111605, 254173), (129785, 218569), (143663, 197455), (150995, 187867)]