3978870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{18947}}^1$

素因数の和:18964

約数の個数: 32

約数和(自身を含む): 10914048

約数和(自身を除く): 6935178

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 18947, 37894, 56841, 94735, 113682, 132629, 189470, 265258, 284205, 397887, 568410, 663145, 795774, 1326290, 1989435, 3978870]

約数ペア:

[(1, 3978870), (2, 1989435), (3, 1326290), (5, 795774), (6, 663145), (7, 568410), (10, 397887), (14, 284205), (15, 265258), (21, 189470), (30, 132629), (35, 113682), (42, 94735), (70, 56841), (105, 37894), (210, 18947)]