389715344

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{271}}^1\times {\mathrm{311}}^1$

素因数の和:624

約数の個数: 60

約数和(自身を含む): 807650688

約数和(自身を除く): 417935344

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 271, 272, 289, 311, 542, 578, 622, 1084, 1156, 1244, 2168, 2312, 2488, 4336, 4607, 4624, 4976, 5287, 9214, 10574, 18428, 21148, 36856, 42296, 73712, 78319, 84281, 84592, 89879, 156638, 168562, 179758, 313276, 337124, 359516, 626552, 674248, 719032, 1253104, 1348496, 1432777, 1438064, 2865554, 5731108, 11462216, 22924432, 24357209, 48714418, 97428836, 194857672, 389715344]

約数ペア:

[(1, 389715344), (2, 194857672), (4, 97428836), (8, 48714418), (16, 24357209), (17, 22924432), (34, 11462216), (68, 5731108), (136, 2865554), (271, 1438064), (272, 1432777), (289, 1348496), (311, 1253104), (542, 719032), (578, 674248), (622, 626552), (1084, 359516), (1156, 337124), (1244, 313276), (2168, 179758), (2312, 168562), (2488, 156638), (4336, 89879), (4607, 84592), (4624, 84281), (4976, 78319), (5287, 73712), (9214, 42296), (10574, 36856), (18428, 21148)]