28066016

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1123}}^1$

素因数の和:1215

約数の個数: 48

約数和(自身を含む): 61181568

約数和(自身を除く): 33115552

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 71, 88, 142, 176, 284, 352, 568, 781, 1123, 1136, 1562, 2246, 2272, 3124, 4492, 6248, 8984, 12353, 12496, 17968, 24706, 24992, 35936, 49412, 79733, 98824, 159466, 197648, 318932, 395296, 637864, 877063, 1275728, 1754126, 2551456, 3508252, 7016504, 14033008, 28066016]

約数ペア:

[(1, 28066016), (2, 14033008), (4, 7016504), (8, 3508252), (11, 2551456), (16, 1754126), (22, 1275728), (32, 877063), (44, 637864), (71, 395296), (88, 318932), (142, 197648), (176, 159466), (284, 98824), (352, 79733), (568, 49412), (781, 35936), (1123, 24992), (1136, 24706), (1562, 17968), (2246, 12496), (2272, 12353), (3124, 8984), (4492, 6248)]