7938385

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 11934720

約数和(自身を除く): 3996335

約数列:

[1, 5, 7, 13, 35, 65, 73, 91, 239, 365, 455, 511, 949, 1195, 1673, 2555, 3107, 4745, 6643, 8365, 15535, 17447, 21749, 33215, 87235, 108745, 122129, 226811, 610645, 1134055, 1587677, 7938385]

約数ペア:

[(1, 7938385), (5, 1587677), (7, 1134055), (13, 610645), (35, 226811), (65, 122129), (73, 108745), (91, 87235), (239, 33215), (365, 21749), (455, 17447), (511, 15535), (949, 8365), (1195, 6643), (1673, 4745), (2555, 3107)]