71217664

素因数分解:

$2^9\times 7^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:697

約数の個数: 80

約数和(自身を含む): 168132096

約数和(自身を除く): 96914432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 434, 448, 496, 512, 641, 868, 896, 992, 1282, 1736, 1792, 1984, 2564, 3472, 3584, 3968, 4487, 5128, 6944, 7936, 8974, 10256, 13888, 15872, 17948, 19871, 20512, 27776, 35896, 39742, 41024, 55552, 71792, 79484, 82048, 111104, 139097, 143584, 158968, 164096, 278194, 287168, 317936, 328192, 556388, 574336, 635872, 1112776, 1148672, 1271744, 2225552, 2297344, 2543488, 4451104, 5086976, 8902208, 10173952, 17804416, 35608832, 71217664]

約数ペア:

[(1, 71217664), (2, 35608832), (4, 17804416), (7, 10173952), (8, 8902208), (14, 5086976), (16, 4451104), (28, 2543488), (31, 2297344), (32, 2225552), (56, 1271744), (62, 1148672), (64, 1112776), (112, 635872), (124, 574336), (128, 556388), (217, 328192), (224, 317936), (248, 287168), (256, 278194), (434, 164096), (448, 158968), (496, 143584), (512, 139097), (641, 111104), (868, 82048), (896, 79484), (992, 71792), (1282, 55552), (1736, 41024), (1792, 39742), (1984, 35896), (2564, 27776), (3472, 20512), (3584, 19871), (3968, 17948), (4487, 15872), (5128, 13888), (6944, 10256), (7936, 8974)]