2031575

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:96

約数の個数: 48

約数和(自身を含む): 3333120

約数和(自身を除く): 1301545

約数列:

[1, 5, 7, 13, 19, 25, 35, 47, 65, 91, 95, 133, 175, 235, 247, 325, 329, 455, 475, 611, 665, 893, 1175, 1235, 1645, 1729, 2275, 3055, 3325, 4277, 4465, 6175, 6251, 8225, 8645, 11609, 15275, 21385, 22325, 31255, 43225, 58045, 81263, 106925, 156275, 290225, 406315, 2031575]

約数ペア:

[(1, 2031575), (5, 406315), (7, 290225), (13, 156275), (19, 106925), (25, 81263), (35, 58045), (47, 43225), (65, 31255), (91, 22325), (95, 21385), (133, 15275), (175, 11609), (235, 8645), (247, 8225), (325, 6251), (329, 6175), (455, 4465), (475, 4277), (611, 3325), (665, 3055), (893, 2275), (1175, 1729), (1235, 1645)]