87971686

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{571}}^1$

素因数の和:780

約数の個数: 32

約数和(自身を含む): 148262400

約数和(自身を除く): 60290714

約数列:

[1, 2, 11, 22, 47, 94, 149, 298, 517, 571, 1034, 1142, 1639, 3278, 6281, 7003, 12562, 14006, 26837, 53674, 77033, 85079, 154066, 170158, 295207, 590414, 935869, 1871738, 3998713, 7997426, 43985843, 87971686]

約数ペア:

[(1, 87971686), (2, 43985843), (11, 7997426), (22, 3998713), (47, 1871738), (94, 935869), (149, 590414), (298, 295207), (517, 170158), (571, 154066), (1034, 85079), (1142, 77033), (1639, 53674), (3278, 26837), (6281, 14006), (7003, 12562)]