165958688

素因数分解:

$2^5\times 7^2\times {\mathrm{53}}^1\times {\mathrm{1997}}^1$

素因数の和:2074

約数の個数: 72

約数和(自身を含む): 387440172

約数和(自身を除く): 221481484

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 53, 56, 98, 106, 112, 196, 212, 224, 371, 392, 424, 742, 784, 848, 1484, 1568, 1696, 1997, 2597, 2968, 3994, 5194, 5936, 7988, 10388, 11872, 13979, 15976, 20776, 27958, 31952, 41552, 55916, 63904, 83104, 97853, 105841, 111832, 195706, 211682, 223664, 391412, 423364, 447328, 740887, 782824, 846728, 1481774, 1565648, 1693456, 2963548, 3131296, 3386912, 5186209, 5927096, 10372418, 11854192, 20744836, 23708384, 41489672, 82979344, 165958688]

約数ペア:

[(1, 165958688), (2, 82979344), (4, 41489672), (7, 23708384), (8, 20744836), (14, 11854192), (16, 10372418), (28, 5927096), (32, 5186209), (49, 3386912), (53, 3131296), (56, 2963548), (98, 1693456), (106, 1565648), (112, 1481774), (196, 846728), (212, 782824), (224, 740887), (371, 447328), (392, 423364), (424, 391412), (742, 223664), (784, 211682), (848, 195706), (1484, 111832), (1568, 105841), (1696, 97853), (1997, 83104), (2597, 63904), (2968, 55916), (3994, 41552), (5194, 31952), (5936, 27958), (7988, 20776), (10388, 15976), (11872, 13979)]