85780254

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:445

約数の個数: 64

約数和(自身を含む): 201277440

約数和(自身を除く): 115497186

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 79, 103, 158, 206, 237, 251, 309, 474, 502, 553, 618, 721, 753, 1106, 1442, 1506, 1659, 1757, 2163, 3318, 3514, 4326, 5271, 8137, 10542, 16274, 19829, 24411, 25853, 39658, 48822, 51706, 56959, 59487, 77559, 113918, 118974, 138803, 155118, 170877, 180971, 277606, 341754, 361942, 416409, 542913, 832818, 1085826, 2042387, 4084774, 6127161, 12254322, 14296709, 28593418, 42890127, 85780254]

約数ペア:

[(1, 85780254), (2, 42890127), (3, 28593418), (6, 14296709), (7, 12254322), (14, 6127161), (21, 4084774), (42, 2042387), (79, 1085826), (103, 832818), (158, 542913), (206, 416409), (237, 361942), (251, 341754), (309, 277606), (474, 180971), (502, 170877), (553, 155118), (618, 138803), (721, 118974), (753, 113918), (1106, 77559), (1442, 59487), (1506, 56959), (1659, 51706), (1757, 48822), (2163, 39658), (3318, 25853), (3514, 24411), (4326, 19829), (5271, 16274), (8137, 10542)]