149921786

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{77041}}^1$

素因数の和:77189

約数の個数: 16

約数和(自身を含む): 258861120

約数和(自身を除く): 108939334

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 77041, 154082, 539287, 1078574, 10708699, 21417398, 74960893, 149921786]

約数ペア:

[(1, 149921786), (2, 74960893), (7, 21417398), (14, 10708699), (139, 1078574), (278, 539287), (973, 154082), (1946, 77041)]