28601764

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 55177920

約数和(自身を除く): 26576156

約数列:

[1, 2, 4, 19, 38, 41, 67, 76, 82, 134, 137, 164, 268, 274, 548, 779, 1273, 1558, 2546, 2603, 2747, 3116, 5092, 5206, 5494, 5617, 9179, 10412, 10988, 11234, 18358, 22468, 36716, 52193, 104386, 106723, 174401, 208772, 213446, 348802, 376339, 426892, 697604, 752678, 1505356, 7150441, 14300882, 28601764]

約数ペア:

[(1, 28601764), (2, 14300882), (4, 7150441), (19, 1505356), (38, 752678), (41, 697604), (67, 426892), (76, 376339), (82, 348802), (134, 213446), (137, 208772), (164, 174401), (268, 106723), (274, 104386), (548, 52193), (779, 36716), (1273, 22468), (1558, 18358), (2546, 11234), (2603, 10988), (2747, 10412), (3116, 9179), (5092, 5617), (5206, 5494)]