81910378

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{2141}}^1$

素因数の和:2238

約数の個数: 32

約数和(自身を含む): 140652288

約数和(自身を除く): 58741910

約数列:

[1, 2, 11, 22, 37, 47, 74, 94, 407, 517, 814, 1034, 1739, 2141, 3478, 4282, 19129, 23551, 38258, 47102, 79217, 100627, 158434, 201254, 871387, 1106897, 1742774, 2213794, 3723199, 7446398, 40955189, 81910378]

約数ペア:

[(1, 81910378), (2, 40955189), (11, 7446398), (22, 3723199), (37, 2213794), (47, 1742774), (74, 1106897), (94, 871387), (407, 201254), (517, 158434), (814, 100627), (1034, 79217), (1739, 47102), (2141, 38258), (3478, 23551), (4282, 19129)]