16171925

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 25903104

約数和(自身を除く): 9731179

約数列:

[1, 5, 7, 11, 25, 31, 35, 55, 77, 155, 175, 217, 271, 275, 341, 385, 775, 1085, 1355, 1705, 1897, 1925, 2387, 2981, 5425, 6775, 8401, 8525, 9485, 11935, 14905, 20867, 42005, 47425, 58807, 59675, 74525, 92411, 104335, 210025, 294035, 462055, 521675, 646877, 1470175, 2310275, 3234385, 16171925]

約数ペア:

[(1, 16171925), (5, 3234385), (7, 2310275), (11, 1470175), (25, 646877), (31, 521675), (35, 462055), (55, 294035), (77, 210025), (155, 104335), (175, 92411), (217, 74525), (271, 59675), (275, 58807), (341, 47425), (385, 42005), (775, 20867), (1085, 14905), (1355, 11935), (1705, 9485), (1897, 8525), (1925, 8401), (2387, 6775), (2981, 5425)]