17801994

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{151}}^1\times {\mathrm{401}}^1$

素因数の和:571

約数の個数: 48

約数和(自身を含む): 41795136

約数和(自身を除く): 23993142

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 151, 294, 302, 401, 453, 802, 906, 1057, 1203, 2114, 2406, 2807, 3171, 5614, 6342, 7399, 8421, 14798, 16842, 19649, 22197, 39298, 44394, 58947, 60551, 117894, 121102, 181653, 363306, 423857, 847714, 1271571, 2543142, 2966999, 5933998, 8900997, 17801994]

約数ペア:

[(1, 17801994), (2, 8900997), (3, 5933998), (6, 2966999), (7, 2543142), (14, 1271571), (21, 847714), (42, 423857), (49, 363306), (98, 181653), (147, 121102), (151, 117894), (294, 60551), (302, 58947), (401, 44394), (453, 39298), (802, 22197), (906, 19649), (1057, 16842), (1203, 14798), (2114, 8421), (2406, 7399), (2807, 6342), (3171, 5614)]