205431296

素因数分解:

$2^9\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2$

素因数の和:142

約数の個数: 120

約数和(自身を含む): 495753984

約数和(自身を除く): 290322688

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 43, 56, 62, 64, 86, 112, 124, 128, 172, 217, 224, 248, 256, 301, 344, 434, 448, 496, 512, 602, 688, 868, 896, 992, 1204, 1333, 1376, 1736, 1792, 1849, 1984, 2408, 2666, 2752, 3472, 3584, 3698, 3968, 4816, 5332, 5504, 6944, 7396, 7936, 9331, 9632, 10664, 11008, 12943, 13888, 14792, 15872, 18662, 19264, 21328, 22016, 25886, 27776, 29584, 37324, 38528, 42656, 51772, 55552, 57319, 59168, 74648, 77056, 85312, 103544, 111104, 114638, 118336, 149296, 154112, 170624, 207088, 229276, 236672, 298592, 341248, 401233, 414176, 458552, 473344, 597184, 682496, 802466, 828352, 917104, 946688, 1194368, 1604932, 1656704, 1834208, 2388736, 3209864, 3313408, 3668416, 4777472, 6419728, 6626816, 7336832, 12839456, 14673664, 25678912, 29347328, 51357824, 102715648, 205431296]

約数ペア:

[(1, 205431296), (2, 102715648), (4, 51357824), (7, 29347328), (8, 25678912), (14, 14673664), (16, 12839456), (28, 7336832), (31, 6626816), (32, 6419728), (43, 4777472), (56, 3668416), (62, 3313408), (64, 3209864), (86, 2388736), (112, 1834208), (124, 1656704), (128, 1604932), (172, 1194368), (217, 946688), (224, 917104), (248, 828352), (256, 802466), (301, 682496), (344, 597184), (434, 473344), (448, 458552), (496, 414176), (512, 401233), (602, 341248), (688, 298592), (868, 236672), (896, 229276), (992, 207088), (1204, 170624), (1333, 154112), (1376, 149296), (1736, 118336), (1792, 114638), (1849, 111104), (1984, 103544), (2408, 85312), (2666, 77056), (2752, 74648), (3472, 59168), (3584, 57319), (3698, 55552), (3968, 51772), (4816, 42656), (5332, 38528), (5504, 37324), (6944, 29584), (7396, 27776), (7936, 25886), (9331, 22016), (9632, 21328), (10664, 19264), (11008, 18662), (12943, 15872), (13888, 14792)]