2787901921

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{367}}^1\times {\mathrm{1627}}^1$

素因数の和:2053

約数の個数: 32

約数和(自身を含む): 3450839040

約数和(自身を除く): 662937119

約数列:

[1, 7, 23, 29, 161, 203, 367, 667, 1627, 2569, 4669, 8441, 10643, 11389, 37421, 47183, 59087, 74501, 244789, 261947, 330281, 597109, 1085209, 1713523, 4179763, 7596463, 13733507, 17316161, 96134549, 121213127, 398271703, 2787901921]

約数ペア:

[(1, 2787901921), (7, 398271703), (23, 121213127), (29, 96134549), (161, 17316161), (203, 13733507), (367, 7596463), (667, 4179763), (1627, 1713523), (2569, 1085209), (4669, 597109), (8441, 330281), (10643, 261947), (11389, 244789), (37421, 74501), (47183, 59087)]