161563878

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:383

約数の個数: 144

約数和(自身を含む): 443888640

約数和(自身を除く): 282324762

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 31, 38, 42, 49, 57, 62, 63, 93, 98, 114, 126, 133, 147, 171, 186, 217, 266, 279, 294, 311, 342, 399, 434, 441, 558, 589, 622, 651, 798, 882, 931, 933, 1178, 1197, 1302, 1519, 1767, 1862, 1866, 1953, 2177, 2394, 2793, 2799, 3038, 3534, 3906, 4123, 4354, 4557, 5301, 5586, 5598, 5909, 6531, 8246, 8379, 9114, 9641, 10602, 11818, 12369, 13062, 13671, 15239, 16758, 17727, 19282, 19593, 24738, 27342, 28861, 28923, 30478, 35454, 37107, 39186, 41363, 45717, 53181, 57722, 57846, 67487, 74214, 82726, 86583, 86769, 91434, 106362, 124089, 134974, 137151, 173166, 173538, 183179, 202461, 248178, 259749, 274302, 289541, 366358, 372267, 404922, 472409, 519498, 549537, 579082, 607383, 744534, 868623, 944818, 1099074, 1214766, 1282253, 1417227, 1648611, 1737246, 2564506, 2605869, 2834454, 3297222, 3846759, 4251681, 5211738, 7693518, 8503362, 8975771, 11540277, 17951542, 23080554, 26927313, 53854626, 80781939, 161563878]

約数ペア:

[(1, 161563878), (2, 80781939), (3, 53854626), (6, 26927313), (7, 23080554), (9, 17951542), (14, 11540277), (18, 8975771), (19, 8503362), (21, 7693518), (31, 5211738), (38, 4251681), (42, 3846759), (49, 3297222), (57, 2834454), (62, 2605869), (63, 2564506), (93, 1737246), (98, 1648611), (114, 1417227), (126, 1282253), (133, 1214766), (147, 1099074), (171, 944818), (186, 868623), (217, 744534), (266, 607383), (279, 579082), (294, 549537), (311, 519498), (342, 472409), (399, 404922), (434, 372267), (441, 366358), (558, 289541), (589, 274302), (622, 259749), (651, 248178), (798, 202461), (882, 183179), (931, 173538), (933, 173166), (1178, 137151), (1197, 134974), (1302, 124089), (1519, 106362), (1767, 91434), (1862, 86769), (1866, 86583), (1953, 82726), (2177, 74214), (2394, 67487), (2793, 57846), (2799, 57722), (3038, 53181), (3534, 45717), (3906, 41363), (4123, 39186), (4354, 37107), (4557, 35454), (5301, 30478), (5586, 28923), (5598, 28861), (5909, 27342), (6531, 24738), (8246, 19593), (8379, 19282), (9114, 17727), (9641, 16758), (10602, 15239), (11818, 13671), (12369, 13062)]