987658

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:154

約数の個数: 32

約数和(自身を含む): 1843200

約数和(自身を除く): 855542

約数列:

[1, 2, 7, 14, 19, 38, 47, 79, 94, 133, 158, 266, 329, 553, 658, 893, 1106, 1501, 1786, 3002, 3713, 6251, 7426, 10507, 12502, 21014, 25991, 51982, 70547, 141094, 493829, 987658]

約数ペア:

[(1, 987658), (2, 493829), (7, 141094), (14, 70547), (19, 51982), (38, 25991), (47, 21014), (79, 12502), (94, 10507), (133, 7426), (158, 6251), (266, 3713), (329, 3002), (553, 1786), (658, 1501), (893, 1106)]