278427884

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{242533}}^1$

素因数の和:242585

約数の個数: 24

約数和(自身を含む): 570439968

約数和(自身を除く): 292012084

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 242533, 485066, 970132, 1697731, 3395462, 6790924, 9943853, 19887706, 39775412, 69606971, 139213942, 278427884]

約数ペア:

[(1, 278427884), (2, 139213942), (4, 69606971), (7, 39775412), (14, 19887706), (28, 9943853), (41, 6790924), (82, 3395462), (164, 1697731), (287, 970132), (574, 485066), (1148, 242533)]