2028571779

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{77983}}^1$

素因数の和:78051

約数の個数: 32

約数和(自身を含む): 3144314880

約数和(自身を除く): 1115743101

約数列:

[1, 3, 13, 23, 29, 39, 69, 87, 299, 377, 667, 897, 1131, 2001, 8671, 26013, 77983, 233949, 1013779, 1793609, 2261507, 3041337, 5380827, 6784521, 23316917, 29399591, 52014661, 69950751, 88198773, 156043983, 676190593, 2028571779]

約数ペア:

[(1, 2028571779), (3, 676190593), (13, 156043983), (23, 88198773), (29, 69950751), (39, 52014661), (69, 29399591), (87, 23316917), (299, 6784521), (377, 5380827), (667, 3041337), (897, 2261507), (1131, 1793609), (2001, 1013779), (8671, 233949), (26013, 77983)]