64748528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{311291}}^1$

素因数の和:311312

約数の個数: 20

約数和(自身を含む): 135100728

約数和(自身を除く): 70352200

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 311291, 622582, 1245164, 2490328, 4046783, 4980656, 8093566, 16187132, 32374264, 64748528]

約数ペア:

[(1, 64748528), (2, 32374264), (4, 16187132), (8, 8093566), (13, 4980656), (16, 4046783), (26, 2490328), (52, 1245164), (104, 622582), (208, 311291)]