991007416

素因数分解:

$2^3\times 7^1\times {\mathrm{127}}^1\times {\mathrm{139343}}^1$

素因数の和:139483

約数の個数: 32

約数和(自身を含む): 2140323840

約数和(自身を除く): 1149316424

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 127, 254, 508, 889, 1016, 1778, 3556, 7112, 139343, 278686, 557372, 975401, 1114744, 1950802, 3901604, 7803208, 17696561, 35393122, 70786244, 123875927, 141572488, 247751854, 495503708, 991007416]

約数ペア:

[(1, 991007416), (2, 495503708), (4, 247751854), (7, 141572488), (8, 123875927), (14, 70786244), (28, 35393122), (56, 17696561), (127, 7803208), (254, 3901604), (508, 1950802), (889, 1114744), (1016, 975401), (1778, 557372), (3556, 278686), (7112, 139343)]