40149578

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{619}}^1$

素因数の和:782

約数の個数: 32

約数和(自身を含む): 71245440

約数和(自身を除く): 31095862

約数列:

[1, 2, 7, 14, 41, 82, 113, 226, 287, 574, 619, 791, 1238, 1582, 4333, 4633, 8666, 9266, 25379, 32431, 50758, 64862, 69947, 139894, 177653, 355306, 489629, 979258, 2867827, 5735654, 20074789, 40149578]

約数ペア:

[(1, 40149578), (2, 20074789), (7, 5735654), (14, 2867827), (41, 979258), (82, 489629), (113, 355306), (226, 177653), (287, 139894), (574, 69947), (619, 64862), (791, 50758), (1238, 32431), (1582, 25379), (4333, 9266), (4633, 8666)]