28131136

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1289}}^1$

素因数の和:1343

約数の個数: 56

約数和(自身を含む): 62910720

約数和(自身を除く): 34779584

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 88, 124, 176, 248, 341, 352, 496, 682, 704, 992, 1289, 1364, 1984, 2578, 2728, 5156, 5456, 10312, 10912, 14179, 20624, 21824, 28358, 39959, 41248, 56716, 79918, 82496, 113432, 159836, 226864, 319672, 439549, 453728, 639344, 879098, 907456, 1278688, 1758196, 2557376, 3516392, 7032784, 14065568, 28131136]

約数ペア:

[(1, 28131136), (2, 14065568), (4, 7032784), (8, 3516392), (11, 2557376), (16, 1758196), (22, 1278688), (31, 907456), (32, 879098), (44, 639344), (62, 453728), (64, 439549), (88, 319672), (124, 226864), (176, 159836), (248, 113432), (341, 82496), (352, 79918), (496, 56716), (682, 41248), (704, 39959), (992, 28358), (1289, 21824), (1364, 20624), (1984, 14179), (2578, 10912), (2728, 10312), (5156, 5456)]