1985915519

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{353}}^1\times {\mathrm{421}}^1$

素因数の和:887

約数の個数: 32

約数和(自身を含む): 2409329664

約数和(自身を除く): 423414145

約数列:

[1, 7, 23, 83, 161, 353, 421, 581, 1909, 2471, 2947, 8119, 9683, 13363, 29299, 34943, 56833, 67781, 148613, 205093, 244601, 673877, 803689, 1040291, 3418099, 4717139, 5625823, 12334879, 23926693, 86344153, 283702217, 1985915519]

約数ペア:

[(1, 1985915519), (7, 283702217), (23, 86344153), (83, 23926693), (161, 12334879), (353, 5625823), (421, 4717139), (581, 3418099), (1909, 1040291), (2471, 803689), (2947, 673877), (8119, 244601), (9683, 205093), (13363, 148613), (29299, 67781), (34943, 56833)]