1311757312

素因数分解:

$2^{10}\times {\mathrm{31}}^3\times {\mathrm{43}}^1$

素因数の和:156

約数の個数: 88

約数和(自身を含む): 2772653312

約数和(自身を除く): 1460896000

約数列:

[1, 2, 4, 8, 16, 31, 32, 43, 62, 64, 86, 124, 128, 172, 248, 256, 344, 496, 512, 688, 961, 992, 1024, 1333, 1376, 1922, 1984, 2666, 2752, 3844, 3968, 5332, 5504, 7688, 7936, 10664, 11008, 15376, 15872, 21328, 22016, 29791, 30752, 31744, 41323, 42656, 44032, 59582, 61504, 82646, 85312, 119164, 123008, 165292, 170624, 238328, 246016, 330584, 341248, 476656, 492032, 661168, 682496, 953312, 984064, 1281013, 1322336, 1364992, 1906624, 2562026, 2644672, 3813248, 5124052, 5289344, 7626496, 10248104, 10578688, 15252992, 20496208, 21157376, 30505984, 40992416, 42314752, 81984832, 163969664, 327939328, 655878656, 1311757312]

約数ペア:

[(1, 1311757312), (2, 655878656), (4, 327939328), (8, 163969664), (16, 81984832), (31, 42314752), (32, 40992416), (43, 30505984), (62, 21157376), (64, 20496208), (86, 15252992), (124, 10578688), (128, 10248104), (172, 7626496), (248, 5289344), (256, 5124052), (344, 3813248), (496, 2644672), (512, 2562026), (688, 1906624), (961, 1364992), (992, 1322336), (1024, 1281013), (1333, 984064), (1376, 953312), (1922, 682496), (1984, 661168), (2666, 492032), (2752, 476656), (3844, 341248), (3968, 330584), (5332, 246016), (5504, 238328), (7688, 170624), (7936, 165292), (10664, 123008), (11008, 119164), (15376, 85312), (15872, 82646), (21328, 61504), (22016, 59582), (29791, 44032), (30752, 42656), (31744, 41323)]