257785088

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2953}}^1$

素因数の和:3011

約数の個数: 72

約数和(自身を含む): 579645696

約数和(自身を除く): 321860608

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 88, 124, 128, 176, 248, 256, 341, 352, 496, 682, 704, 992, 1364, 1408, 1984, 2728, 2816, 2953, 3968, 5456, 5906, 7936, 10912, 11812, 21824, 23624, 32483, 43648, 47248, 64966, 87296, 91543, 94496, 129932, 183086, 188992, 259864, 366172, 377984, 519728, 732344, 755968, 1006973, 1039456, 1464688, 2013946, 2078912, 2929376, 4027892, 4157824, 5858752, 8055784, 8315648, 11717504, 16111568, 23435008, 32223136, 64446272, 128892544, 257785088]

約数ペア:

[(1, 257785088), (2, 128892544), (4, 64446272), (8, 32223136), (11, 23435008), (16, 16111568), (22, 11717504), (31, 8315648), (32, 8055784), (44, 5858752), (62, 4157824), (64, 4027892), (88, 2929376), (124, 2078912), (128, 2013946), (176, 1464688), (248, 1039456), (256, 1006973), (341, 755968), (352, 732344), (496, 519728), (682, 377984), (704, 366172), (992, 259864), (1364, 188992), (1408, 183086), (1984, 129932), (2728, 94496), (2816, 91543), (2953, 87296), (3968, 64966), (5456, 47248), (5906, 43648), (7936, 32483), (10912, 23624), (11812, 21824)]