291242252

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{74831}}^1$

素因数の和:74981

約数の個数: 24

約数和(自身を含む): 586682880

約数和(自身を除く): 295440628

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 74831, 149662, 299324, 523817, 1047634, 2095268, 10401509, 20803018, 41606036, 72810563, 145621126, 291242252]

約数ペア:

[(1, 291242252), (2, 145621126), (4, 72810563), (7, 41606036), (14, 20803018), (28, 10401509), (139, 2095268), (278, 1047634), (556, 523817), (973, 299324), (1946, 149662), (3892, 74831)]