256651136

素因数分解:

$2^7\times 7^1\times {\mathrm{97}}^1\times {\mathrm{2953}}^1$

素因数の和:3071

約数の個数: 64

約数和(自身を含む): 590563680

約数和(自身を除く): 333912544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 97, 112, 128, 194, 224, 388, 448, 679, 776, 896, 1358, 1552, 2716, 2953, 3104, 5432, 5906, 6208, 10864, 11812, 12416, 20671, 21728, 23624, 41342, 43456, 47248, 82684, 86912, 94496, 165368, 188992, 286441, 330736, 377984, 572882, 661472, 1145764, 1322944, 2005087, 2291528, 2645888, 4010174, 4583056, 8020348, 9166112, 16040696, 18332224, 32081392, 36664448, 64162784, 128325568, 256651136]

約数ペア:

[(1, 256651136), (2, 128325568), (4, 64162784), (7, 36664448), (8, 32081392), (14, 18332224), (16, 16040696), (28, 9166112), (32, 8020348), (56, 4583056), (64, 4010174), (97, 2645888), (112, 2291528), (128, 2005087), (194, 1322944), (224, 1145764), (388, 661472), (448, 572882), (679, 377984), (776, 330736), (896, 286441), (1358, 188992), (1552, 165368), (2716, 94496), (2953, 86912), (3104, 82684), (5432, 47248), (5906, 43456), (6208, 41342), (10864, 23624), (11812, 21728), (12416, 20671)]