421396276

素因数分解:

$2^2\times 7^2\times {\mathrm{647}}^1\times {\mathrm{3323}}^1$

素因数の和:3988

約数の個数: 36

約数和(自身を含む): 859426848

約数和(自身を除く): 438030572

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 647, 1294, 2588, 3323, 4529, 6646, 9058, 13292, 18116, 23261, 31703, 46522, 63406, 93044, 126812, 162827, 325654, 651308, 2149981, 4299962, 8599924, 15049867, 30099734, 60199468, 105349069, 210698138, 421396276]

約数ペア:

[(1, 421396276), (2, 210698138), (4, 105349069), (7, 60199468), (14, 30099734), (28, 15049867), (49, 8599924), (98, 4299962), (196, 2149981), (647, 651308), (1294, 325654), (2588, 162827), (3323, 126812), (4529, 93044), (6646, 63406), (9058, 46522), (13292, 31703), (18116, 23261)]