1277888

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{487}}^1$

素因数の和:540

約数の個数: 28

約数和(自身を含む): 2602992

約数和(自身を除く): 1325104

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 164, 328, 487, 656, 974, 1312, 1948, 2624, 3896, 7792, 15584, 19967, 31168, 39934, 79868, 159736, 319472, 638944, 1277888]

約数ペア:

[(1, 1277888), (2, 638944), (4, 319472), (8, 159736), (16, 79868), (32, 39934), (41, 31168), (64, 19967), (82, 15584), (164, 7792), (328, 3896), (487, 2624), (656, 1948), (974, 1312)]