78567128

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{1289}}^1$

素因数の和:1715

約数の個数: 32

約数和(自身を含む): 155574000

約数和(自身を除く): 77006872

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 401, 802, 1289, 1604, 2578, 3208, 5156, 7619, 10312, 15238, 24491, 30476, 48982, 60952, 97964, 195928, 516889, 1033778, 2067556, 4135112, 9820891, 19641782, 39283564, 78567128]

約数ペア:

[(1, 78567128), (2, 39283564), (4, 19641782), (8, 9820891), (19, 4135112), (38, 2067556), (76, 1033778), (152, 516889), (401, 195928), (802, 97964), (1289, 60952), (1604, 48982), (2578, 30476), (3208, 24491), (5156, 15238), (7619, 10312)]