138495868

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{120641}}^1$

素因数の和:120693

約数の個数: 24

約数和(自身を含む): 283749984

約数和(自身を除く): 145254116

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 120641, 241282, 482564, 844487, 1688974, 3377948, 4946281, 9892562, 19785124, 34623967, 69247934, 138495868]

約数ペア:

[(1, 138495868), (2, 69247934), (4, 34623967), (7, 19785124), (14, 9892562), (28, 4946281), (41, 3377948), (82, 1688974), (164, 844487), (287, 482564), (574, 241282), (1148, 120641)]