212923975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{40751}}^1$

素因数の和:40791

約数の個数: 24

約数和(自身を含む): 303194880

約数和(自身を除く): 90270905

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 475, 1045, 5225, 40751, 203755, 448261, 774269, 1018775, 2241305, 3871345, 8516959, 11206525, 19356725, 42584795, 212923975]

約数ペア:

[(1, 212923975), (5, 42584795), (11, 19356725), (19, 11206525), (25, 8516959), (55, 3871345), (95, 2241305), (209, 1018775), (275, 774269), (475, 448261), (1045, 203755), (5225, 40751)]