81812948

素因数分解:

$2^2\times 7^2\times {\mathrm{251}}^1\times {\mathrm{1663}}^1$

素因数の和:1932

約数の個数: 36

約数和(自身を含む): 167311872

約数和(自身を除く): 85498924

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 251, 502, 1004, 1663, 1757, 3326, 3514, 6652, 7028, 11641, 12299, 23282, 24598, 46564, 49196, 81487, 162974, 325948, 417413, 834826, 1669652, 2921891, 5843782, 11687564, 20453237, 40906474, 81812948]

約数ペア:

[(1, 81812948), (2, 40906474), (4, 20453237), (7, 11687564), (14, 5843782), (28, 2921891), (49, 1669652), (98, 834826), (196, 417413), (251, 325948), (502, 162974), (1004, 81487), (1663, 49196), (1757, 46564), (3326, 24598), (3514, 23282), (6652, 12299), (7028, 11641)]