129883408

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{1559}}^1$

素因数の和:1735

約数の個数: 40

約数和(自身を含む): 259983360

約数和(自身を除く): 130099952

約数列:

[1, 2, 4, 8, 16, 41, 82, 127, 164, 254, 328, 508, 656, 1016, 1559, 2032, 3118, 5207, 6236, 10414, 12472, 20828, 24944, 41656, 63919, 83312, 127838, 197993, 255676, 395986, 511352, 791972, 1022704, 1583944, 3167888, 8117713, 16235426, 32470852, 64941704, 129883408]

約数ペア:

[(1, 129883408), (2, 64941704), (4, 32470852), (8, 16235426), (16, 8117713), (41, 3167888), (82, 1583944), (127, 1022704), (164, 791972), (254, 511352), (328, 395986), (508, 255676), (656, 197993), (1016, 127838), (1559, 83312), (2032, 63919), (3118, 41656), (5207, 24944), (6236, 20828), (10414, 12472)]