81418538

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{641}}^1\times {\mathrm{1549}}^1$

素因数の和:2233

約数の個数: 16

約数和(自身を含む): 125382600

約数和(自身を除く): 43964062

約数列:

[1, 2, 41, 82, 641, 1282, 1549, 3098, 26281, 52562, 63509, 127018, 992909, 1985818, 40709269, 81418538]

約数ペア:

[(1, 81418538), (2, 40709269), (41, 1985818), (82, 992909), (641, 127018), (1282, 63509), (1549, 52562), (3098, 26281)]