1256169712

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^2\times {\mathrm{197}}^2$

素因数の和:443

約数の個数: 90

約数和(自身を含む): 2969836952

約数和(自身を除く): 1713667240

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 197, 238, 272, 289, 394, 476, 578, 788, 952, 1156, 1379, 1576, 1904, 2023, 2312, 2758, 3152, 3349, 4046, 4624, 5516, 6698, 8092, 11032, 13396, 16184, 22064, 23443, 26792, 32368, 38809, 46886, 53584, 56933, 77618, 93772, 113866, 155236, 187544, 227732, 271663, 310472, 375088, 398531, 455464, 543326, 620944, 659753, 797062, 910928, 1086652, 1319506, 1594124, 2173304, 2639012, 3188248, 4346608, 4618271, 5278024, 6376496, 9236542, 10556048, 11215801, 18473084, 22431602, 36946168, 44863204, 73892336, 78510607, 89726408, 157021214, 179452816, 314042428, 628084856, 1256169712]

約数ペア:

[(1, 1256169712), (2, 628084856), (4, 314042428), (7, 179452816), (8, 157021214), (14, 89726408), (16, 78510607), (17, 73892336), (28, 44863204), (34, 36946168), (56, 22431602), (68, 18473084), (112, 11215801), (119, 10556048), (136, 9236542), (197, 6376496), (238, 5278024), (272, 4618271), (289, 4346608), (394, 3188248), (476, 2639012), (578, 2173304), (788, 1594124), (952, 1319506), (1156, 1086652), (1379, 910928), (1576, 797062), (1904, 659753), (2023, 620944), (2312, 543326), (2758, 455464), (3152, 398531), (3349, 375088), (4046, 310472), (4624, 271663), (5516, 227732), (6698, 187544), (8092, 155236), (11032, 113866), (13396, 93772), (16184, 77618), (22064, 56933), (23443, 53584), (26792, 46886), (32368, 38809)]