201995878

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{1181}}^1$

素因数の和:1852

約数の個数: 32

約数和(自身を含む): 365379840

約数和(自身を除く): 163383962

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 643, 1181, 1286, 2362, 4501, 8267, 9002, 12217, 16534, 22439, 24434, 44878, 85519, 157073, 171038, 314146, 759383, 1518766, 5315681, 10631362, 14428277, 28856554, 100997939, 201995878]

約数ペア:

[(1, 201995878), (2, 100997939), (7, 28856554), (14, 14428277), (19, 10631362), (38, 5315681), (133, 1518766), (266, 759383), (643, 314146), (1181, 171038), (1286, 157073), (2362, 85519), (4501, 44878), (8267, 24434), (9002, 22439), (12217, 16534)]