81950232

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:425

約数の個数: 128

約数和(自身を含む): 254822400

約数和(自身を除く): 172872168

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 157, 168, 182, 239, 273, 312, 314, 364, 471, 478, 546, 628, 717, 728, 942, 956, 1092, 1099, 1256, 1434, 1673, 1884, 1912, 2041, 2184, 2198, 2868, 3107, 3297, 3346, 3768, 4082, 4396, 5019, 5736, 6123, 6214, 6594, 6692, 8164, 8792, 9321, 10038, 12246, 12428, 13188, 13384, 14287, 16328, 18642, 20076, 21749, 24492, 24856, 26376, 28574, 37284, 37523, 40152, 42861, 43498, 48984, 57148, 65247, 74568, 75046, 85722, 86996, 112569, 114296, 130494, 150092, 171444, 173992, 225138, 260988, 262661, 300184, 342888, 450276, 487799, 521976, 525322, 787983, 900552, 975598, 1050644, 1463397, 1575966, 1951196, 2101288, 2926794, 3151932, 3414593, 3902392, 5853588, 6303864, 6829186, 10243779, 11707176, 13658372, 20487558, 27316744, 40975116, 81950232]

約数ペア:

[(1, 81950232), (2, 40975116), (3, 27316744), (4, 20487558), (6, 13658372), (7, 11707176), (8, 10243779), (12, 6829186), (13, 6303864), (14, 5853588), (21, 3902392), (24, 3414593), (26, 3151932), (28, 2926794), (39, 2101288), (42, 1951196), (52, 1575966), (56, 1463397), (78, 1050644), (84, 975598), (91, 900552), (104, 787983), (156, 525322), (157, 521976), (168, 487799), (182, 450276), (239, 342888), (273, 300184), (312, 262661), (314, 260988), (364, 225138), (471, 173992), (478, 171444), (546, 150092), (628, 130494), (717, 114296), (728, 112569), (942, 86996), (956, 85722), (1092, 75046), (1099, 74568), (1256, 65247), (1434, 57148), (1673, 48984), (1884, 43498), (1912, 42861), (2041, 40152), (2184, 37523), (2198, 37284), (2868, 28574), (3107, 26376), (3297, 24856), (3346, 24492), (3768, 21749), (4082, 20076), (4396, 18642), (5019, 16328), (5736, 14287), (6123, 13384), (6214, 13188), (6594, 12428), (6692, 12246), (8164, 10038), (8792, 9321)]