256386858

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{881}}^1$

素因数の和:960

約数の個数: 96

約数和(自身を含む): 650788992

約数和(自身を除く): 394402134

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 41, 42, 78, 82, 91, 123, 169, 182, 246, 273, 287, 338, 507, 533, 546, 574, 861, 881, 1014, 1066, 1183, 1599, 1722, 1762, 2366, 2643, 3198, 3549, 3731, 5286, 6167, 6929, 7098, 7462, 11193, 11453, 12334, 13858, 18501, 20787, 22386, 22906, 34359, 36121, 37002, 41574, 48503, 68718, 72242, 80171, 97006, 108363, 145509, 148889, 160342, 216726, 240513, 252847, 291018, 297778, 446667, 469573, 481026, 505694, 758541, 893334, 939146, 1042223, 1408719, 1517082, 2084446, 2817438, 3126669, 3287011, 6104449, 6253338, 6574022, 9861033, 12208898, 18313347, 19722066, 36626694, 42731143, 85462286, 128193429, 256386858]

約数ペア:

[(1, 256386858), (2, 128193429), (3, 85462286), (6, 42731143), (7, 36626694), (13, 19722066), (14, 18313347), (21, 12208898), (26, 9861033), (39, 6574022), (41, 6253338), (42, 6104449), (78, 3287011), (82, 3126669), (91, 2817438), (123, 2084446), (169, 1517082), (182, 1408719), (246, 1042223), (273, 939146), (287, 893334), (338, 758541), (507, 505694), (533, 481026), (546, 469573), (574, 446667), (861, 297778), (881, 291018), (1014, 252847), (1066, 240513), (1183, 216726), (1599, 160342), (1722, 148889), (1762, 145509), (2366, 108363), (2643, 97006), (3198, 80171), (3549, 72242), (3731, 68718), (5286, 48503), (6167, 41574), (6929, 37002), (7098, 36121), (7462, 34359), (11193, 22906), (11453, 22386), (12334, 20787), (13858, 18501)]