215907328

素因数分解:

$2^{10}\times 7^2\times {\mathrm{13}}^1\times {\mathrm{331}}^1$

素因数の和:378

約数の個数: 132

約数和(自身を含む): 542323992

約数和(自身を除く): 326416664

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 98, 104, 112, 128, 182, 196, 208, 224, 256, 331, 364, 392, 416, 448, 512, 637, 662, 728, 784, 832, 896, 1024, 1274, 1324, 1456, 1568, 1664, 1792, 2317, 2548, 2648, 2912, 3136, 3328, 3584, 4303, 4634, 5096, 5296, 5824, 6272, 6656, 7168, 8606, 9268, 10192, 10592, 11648, 12544, 13312, 16219, 17212, 18536, 20384, 21184, 23296, 25088, 30121, 32438, 34424, 37072, 40768, 42368, 46592, 50176, 60242, 64876, 68848, 74144, 81536, 84736, 93184, 120484, 129752, 137696, 148288, 163072, 169472, 210847, 240968, 259504, 275392, 296576, 326144, 338944, 421694, 481936, 519008, 550784, 593152, 652288, 843388, 963872, 1038016, 1101568, 1186304, 1686776, 1927744, 2076032, 2203136, 2372608, 3373552, 3855488, 4152064, 4406272, 6747104, 7710976, 8304128, 13494208, 15421952, 16608256, 26988416, 30843904, 53976832, 107953664, 215907328]

約数ペア:

[(1, 215907328), (2, 107953664), (4, 53976832), (7, 30843904), (8, 26988416), (13, 16608256), (14, 15421952), (16, 13494208), (26, 8304128), (28, 7710976), (32, 6747104), (49, 4406272), (52, 4152064), (56, 3855488), (64, 3373552), (91, 2372608), (98, 2203136), (104, 2076032), (112, 1927744), (128, 1686776), (182, 1186304), (196, 1101568), (208, 1038016), (224, 963872), (256, 843388), (331, 652288), (364, 593152), (392, 550784), (416, 519008), (448, 481936), (512, 421694), (637, 338944), (662, 326144), (728, 296576), (784, 275392), (832, 259504), (896, 240968), (1024, 210847), (1274, 169472), (1324, 163072), (1456, 148288), (1568, 137696), (1664, 129752), (1792, 120484), (2317, 93184), (2548, 84736), (2648, 81536), (2912, 74144), (3136, 68848), (3328, 64876), (3584, 60242), (4303, 50176), (4634, 46592), (5096, 42368), (5296, 40768), (5824, 37072), (6272, 34424), (6656, 32438), (7168, 30121), (8606, 25088), (9268, 23296), (10192, 21184), (10592, 20384), (11648, 18536), (12544, 17212), (13312, 16219)]