328888885

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{367}}^1\times {\mathrm{811}}^1$

素因数の和:1213

約数の個数: 32

約数和(自身を含む): 451809792

約数和(自身を除く): 122920907

約数列:

[1, 5, 13, 17, 65, 85, 221, 367, 811, 1105, 1835, 4055, 4771, 6239, 10543, 13787, 23855, 31195, 52715, 68935, 81107, 179231, 297637, 405535, 896155, 1488185, 3869281, 5059829, 19346405, 25299145, 65777777, 328888885]

約数ペア:

[(1, 328888885), (5, 65777777), (13, 25299145), (17, 19346405), (65, 5059829), (85, 3869281), (221, 1488185), (367, 896155), (811, 405535), (1105, 297637), (1835, 179231), (4055, 81107), (4771, 68935), (6239, 52715), (10543, 31195), (13787, 23855)]