47872825

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1913}}^1$

素因数の和:1954

約数の個数: 48

約数和(自身を含む): 79744896

約数和(自身を除く): 31872071

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 65, 77, 91, 143, 175, 275, 325, 385, 455, 715, 1001, 1913, 1925, 2275, 3575, 5005, 9565, 13391, 21043, 24869, 25025, 47825, 66955, 105215, 124345, 147301, 174083, 273559, 334775, 526075, 621725, 736505, 870415, 1367795, 1914913, 3682525, 4352075, 6838975, 9574565, 47872825]

約数ペア:

[(1, 47872825), (5, 9574565), (7, 6838975), (11, 4352075), (13, 3682525), (25, 1914913), (35, 1367795), (55, 870415), (65, 736505), (77, 621725), (91, 526075), (143, 334775), (175, 273559), (275, 174083), (325, 147301), (385, 124345), (455, 105215), (715, 66955), (1001, 47825), (1913, 25025), (1925, 24869), (2275, 21043), (3575, 13391), (5005, 9565)]