255450992

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{2389}}^1$

素因数の和:2601

約数の個数: 40

約数和(自身を含む): 510331920

約数和(自身を除く): 254880928

約数列:

[1, 2, 4, 8, 16, 41, 82, 163, 164, 326, 328, 652, 656, 1304, 2389, 2608, 4778, 6683, 9556, 13366, 19112, 26732, 38224, 53464, 97949, 106928, 195898, 389407, 391796, 778814, 783592, 1557628, 1567184, 3115256, 6230512, 15965687, 31931374, 63862748, 127725496, 255450992]

約数ペア:

[(1, 255450992), (2, 127725496), (4, 63862748), (8, 31931374), (16, 15965687), (41, 6230512), (82, 3115256), (163, 1567184), (164, 1557628), (326, 783592), (328, 778814), (652, 391796), (656, 389407), (1304, 195898), (2389, 106928), (2608, 97949), (4778, 53464), (6683, 38224), (9556, 26732), (13366, 19112)]