256242868

素因数分解:

$2^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1\times {\mathrm{743}}^1$

素因数の和:976

約数の個数: 48

約数和(自身を含む): 522466560

約数和(自身を除く): 266223692

約数列:

[1, 2, 4, 7, 14, 28, 109, 113, 218, 226, 436, 452, 743, 763, 791, 1486, 1526, 1582, 2972, 3052, 3164, 5201, 10402, 12317, 20804, 24634, 49268, 80987, 83959, 86219, 161974, 167918, 172438, 323948, 335836, 344876, 566909, 587713, 1133818, 1175426, 2267636, 2350852, 9151531, 18303062, 36606124, 64060717, 128121434, 256242868]

約数ペア:

[(1, 256242868), (2, 128121434), (4, 64060717), (7, 36606124), (14, 18303062), (28, 9151531), (109, 2350852), (113, 2267636), (218, 1175426), (226, 1133818), (436, 587713), (452, 566909), (743, 344876), (763, 335836), (791, 323948), (1486, 172438), (1526, 167918), (1582, 161974), (2972, 86219), (3052, 83959), (3164, 80987), (5201, 49268), (10402, 24634), (12317, 20804)]