13908475

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 21427200

約数和(自身を除く): 7518725

約数列:

[1, 5, 7, 19, 25, 35, 47, 89, 95, 133, 175, 235, 329, 445, 475, 623, 665, 893, 1175, 1645, 1691, 2225, 3115, 3325, 4183, 4465, 6251, 8225, 8455, 11837, 15575, 20915, 22325, 29281, 31255, 42275, 59185, 79477, 104575, 146405, 156275, 295925, 397385, 556339, 732025, 1986925, 2781695, 13908475]

約数ペア:

[(1, 13908475), (5, 2781695), (7, 1986925), (19, 732025), (25, 556339), (35, 397385), (47, 295925), (89, 156275), (95, 146405), (133, 104575), (175, 79477), (235, 59185), (329, 42275), (445, 31255), (475, 29281), (623, 22325), (665, 20915), (893, 15575), (1175, 11837), (1645, 8455), (1691, 8225), (2225, 6251), (3115, 4465), (3325, 4183)]