16558870

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{397}}^1$

素因数の和:544

約数の個数: 32

約数和(自身を含む): 30891168

約数和(自身を除く): 14332298

約数列:

[1, 2, 5, 10, 43, 86, 97, 194, 215, 397, 430, 485, 794, 970, 1985, 3970, 4171, 8342, 17071, 20855, 34142, 38509, 41710, 77018, 85355, 170710, 192545, 385090, 1655887, 3311774, 8279435, 16558870]

約数ペア:

[(1, 16558870), (2, 8279435), (5, 3311774), (10, 1655887), (43, 385090), (86, 192545), (97, 170710), (194, 85355), (215, 77018), (397, 41710), (430, 38509), (485, 34142), (794, 20855), (970, 17071), (1985, 8342), (3970, 4171)]