81645088

素因数分解:

$2^5\times 7^1\times {\mathrm{37}}^1\times {\mathrm{9851}}^1$

素因数の和:9905

約数の個数: 48

約数和(自身を含む): 188685504

約数和(自身を除く): 107040416

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 74, 112, 148, 224, 259, 296, 518, 592, 1036, 1184, 2072, 4144, 8288, 9851, 19702, 39404, 68957, 78808, 137914, 157616, 275828, 315232, 364487, 551656, 728974, 1103312, 1457948, 2206624, 2551409, 2915896, 5102818, 5831792, 10205636, 11663584, 20411272, 40822544, 81645088]

約数ペア:

[(1, 81645088), (2, 40822544), (4, 20411272), (7, 11663584), (8, 10205636), (14, 5831792), (16, 5102818), (28, 2915896), (32, 2551409), (37, 2206624), (56, 1457948), (74, 1103312), (112, 728974), (148, 551656), (224, 364487), (259, 315232), (296, 275828), (518, 157616), (592, 137914), (1036, 78808), (1184, 68957), (2072, 39404), (4144, 19702), (8288, 9851)]