28168228

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 56173824

約数和(自身を除く): 28005596

約数列:

[1, 2, 4, 11, 22, 44, 47, 53, 94, 106, 188, 212, 257, 514, 517, 583, 1028, 1034, 1166, 2068, 2332, 2491, 2827, 4982, 5654, 9964, 11308, 12079, 13621, 24158, 27242, 27401, 48316, 54484, 54802, 109604, 132869, 149831, 265738, 299662, 531476, 599324, 640187, 1280374, 2560748, 7042057, 14084114, 28168228]

約数ペア:

[(1, 28168228), (2, 14084114), (4, 7042057), (11, 2560748), (22, 1280374), (44, 640187), (47, 599324), (53, 531476), (94, 299662), (106, 265738), (188, 149831), (212, 132869), (257, 109604), (514, 54802), (517, 54484), (583, 48316), (1028, 27401), (1034, 27242), (1166, 24158), (2068, 13621), (2332, 12079), (2491, 11308), (2827, 9964), (4982, 5654)]