200901782

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{571}}^1$

素因数の和:836

約数の個数: 32

約数和(自身を含む): 326177280

約数和(自身を除く): 125275498

約数列:

[1, 2, 19, 38, 47, 94, 197, 394, 571, 893, 1142, 1786, 3743, 7486, 9259, 10849, 18518, 21698, 26837, 53674, 112487, 175921, 224974, 351842, 509903, 1019806, 2137253, 4274506, 5286889, 10573778, 100450891, 200901782]

約数ペア:

[(1, 200901782), (2, 100450891), (19, 10573778), (38, 5286889), (47, 4274506), (94, 2137253), (197, 1019806), (394, 509903), (571, 351842), (893, 224974), (1142, 175921), (1786, 112487), (3743, 53674), (7486, 26837), (9259, 21698), (10849, 18518)]