81931024

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1163}}^1$

素因数の和:1232

約数の個数: 80

約数和(自身を含む): 197451648

約数和(自身を除く): 115520624

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 37, 56, 68, 74, 112, 119, 136, 148, 238, 259, 272, 296, 476, 518, 592, 629, 952, 1036, 1163, 1258, 1904, 2072, 2326, 2516, 4144, 4403, 4652, 5032, 8141, 8806, 9304, 10064, 16282, 17612, 18608, 19771, 32564, 35224, 39542, 43031, 65128, 70448, 79084, 86062, 130256, 138397, 158168, 172124, 276794, 301217, 316336, 344248, 553588, 602434, 688496, 731527, 1107176, 1204868, 1463054, 2214352, 2409736, 2926108, 4819472, 5120689, 5852216, 10241378, 11704432, 20482756, 40965512, 81931024]

約数ペア:

[(1, 81931024), (2, 40965512), (4, 20482756), (7, 11704432), (8, 10241378), (14, 5852216), (16, 5120689), (17, 4819472), (28, 2926108), (34, 2409736), (37, 2214352), (56, 1463054), (68, 1204868), (74, 1107176), (112, 731527), (119, 688496), (136, 602434), (148, 553588), (238, 344248), (259, 316336), (272, 301217), (296, 276794), (476, 172124), (518, 158168), (592, 138397), (629, 130256), (952, 86062), (1036, 79084), (1163, 70448), (1258, 65128), (1904, 43031), (2072, 39542), (2326, 35224), (2516, 32564), (4144, 19771), (4403, 18608), (4652, 17612), (5032, 16282), (8141, 10064), (8806, 9304)]