83581456

素因数分解:

$2^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:253

約数の個数: 120

約数和(自身を含む): 205820160

約数和(自身を除く): 122238704

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 38, 49, 56, 62, 76, 98, 112, 124, 133, 152, 181, 196, 217, 248, 266, 304, 362, 392, 434, 496, 532, 589, 724, 784, 868, 931, 1064, 1178, 1267, 1448, 1519, 1736, 1862, 2128, 2356, 2534, 2896, 3038, 3439, 3472, 3724, 4123, 4712, 5068, 5611, 6076, 6878, 7448, 8246, 8869, 9424, 10136, 11222, 12152, 13756, 14896, 16492, 17738, 20272, 22444, 24073, 24304, 27512, 28861, 32984, 35476, 39277, 44888, 48146, 55024, 57722, 65968, 70952, 78554, 89776, 96292, 106609, 115444, 141904, 157108, 168511, 192584, 213218, 230888, 274939, 314216, 337022, 385168, 426436, 461776, 549878, 628432, 674044, 746263, 852872, 1099756, 1348088, 1492526, 1705744, 2199512, 2696176, 2985052, 4399024, 5223841, 5970104, 10447682, 11940208, 20895364, 41790728, 83581456]

約数ペア:

[(1, 83581456), (2, 41790728), (4, 20895364), (7, 11940208), (8, 10447682), (14, 5970104), (16, 5223841), (19, 4399024), (28, 2985052), (31, 2696176), (38, 2199512), (49, 1705744), (56, 1492526), (62, 1348088), (76, 1099756), (98, 852872), (112, 746263), (124, 674044), (133, 628432), (152, 549878), (181, 461776), (196, 426436), (217, 385168), (248, 337022), (266, 314216), (304, 274939), (362, 230888), (392, 213218), (434, 192584), (496, 168511), (532, 157108), (589, 141904), (724, 115444), (784, 106609), (868, 96292), (931, 89776), (1064, 78554), (1178, 70952), (1267, 65968), (1448, 57722), (1519, 55024), (1736, 48146), (1862, 44888), (2128, 39277), (2356, 35476), (2534, 32984), (2896, 28861), (3038, 27512), (3439, 24304), (3472, 24073), (3724, 22444), (4123, 20272), (4712, 17738), (5068, 16492), (5611, 14896), (6076, 13756), (6878, 12152), (7448, 11222), (8246, 10136), (8869, 9424)]