213215758

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2663}}^1$

素因数の和:2741

約数の個数: 48

約数和(自身を含む): 400878720

約数和(自身を除く): 187662962

約数列:

[1, 2, 7, 14, 19, 38, 43, 49, 86, 98, 133, 266, 301, 602, 817, 931, 1634, 1862, 2107, 2663, 4214, 5326, 5719, 11438, 18641, 37282, 40033, 50597, 80066, 101194, 114509, 130487, 229018, 260974, 354179, 708358, 801563, 1603126, 2175671, 2479253, 4351342, 4958506, 5610941, 11221882, 15229697, 30459394, 106607879, 213215758]

約数ペア:

[(1, 213215758), (2, 106607879), (7, 30459394), (14, 15229697), (19, 11221882), (38, 5610941), (43, 4958506), (49, 4351342), (86, 2479253), (98, 2175671), (133, 1603126), (266, 801563), (301, 708358), (602, 354179), (817, 260974), (931, 229018), (1634, 130487), (1862, 114509), (2107, 101194), (2663, 80066), (4214, 50597), (5326, 40033), (5719, 37282), (11438, 18641)]