81855746

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{599}}^1$

素因数の和:878

約数の個数: 32

約数和(自身を含む): 144460800

約数和(自身を除く): 62605054

約数列:

[1, 2, 7, 14, 43, 86, 227, 301, 454, 599, 602, 1198, 1589, 3178, 4193, 8386, 9761, 19522, 25757, 51514, 68327, 135973, 136654, 180299, 271946, 360598, 951811, 1903622, 5846839, 11693678, 40927873, 81855746]

約数ペア:

[(1, 81855746), (2, 40927873), (7, 11693678), (14, 5846839), (43, 1903622), (86, 951811), (227, 360598), (301, 271946), (454, 180299), (599, 136654), (602, 135973), (1198, 68327), (1589, 51514), (3178, 25757), (4193, 19522), (8386, 9761)]