81126448

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{22943}}^1$

素因数の和:22981

約数の個数: 40

約数和(自身を含む): 179238528

約数和(自身を除く): 98112080

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 22943, 45886, 91772, 183544, 298259, 367088, 390031, 596518, 780062, 1193036, 1560124, 2386072, 3120248, 4772144, 5070403, 6240496, 10140806, 20281612, 40563224, 81126448]

約数ペア:

[(1, 81126448), (2, 40563224), (4, 20281612), (8, 10140806), (13, 6240496), (16, 5070403), (17, 4772144), (26, 3120248), (34, 2386072), (52, 1560124), (68, 1193036), (104, 780062), (136, 596518), (208, 390031), (221, 367088), (272, 298259), (442, 183544), (884, 91772), (1768, 45886), (3536, 22943)]