279077344

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{13691}}^1$

素因数の和:13728

約数の個数: 72

約数和(自身を含む): 688351608

約数和(自身を除く): 409274264

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 224, 364, 392, 416, 637, 728, 784, 1274, 1456, 1568, 2548, 2912, 5096, 10192, 13691, 20384, 27382, 54764, 95837, 109528, 177983, 191674, 219056, 355966, 383348, 438112, 670859, 711932, 766696, 1245881, 1341718, 1423864, 1533392, 2491762, 2683436, 2847728, 3066784, 4983524, 5366872, 5695456, 8721167, 9967048, 10733744, 17442334, 19934096, 21467488, 34884668, 39868192, 69769336, 139538672, 279077344]

約数ペア:

[(1, 279077344), (2, 139538672), (4, 69769336), (7, 39868192), (8, 34884668), (13, 21467488), (14, 19934096), (16, 17442334), (26, 10733744), (28, 9967048), (32, 8721167), (49, 5695456), (52, 5366872), (56, 4983524), (91, 3066784), (98, 2847728), (104, 2683436), (112, 2491762), (182, 1533392), (196, 1423864), (208, 1341718), (224, 1245881), (364, 766696), (392, 711932), (416, 670859), (637, 438112), (728, 383348), (784, 355966), (1274, 219056), (1456, 191674), (1568, 177983), (2548, 109528), (2912, 95837), (5096, 54764), (10192, 27382), (13691, 20384)]