65721136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{315967}}^1$

素因数の和:315988

約数の個数: 20

約数和(自身を含む): 137130112

約数和(自身を除く): 71408976

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 315967, 631934, 1263868, 2527736, 4107571, 5055472, 8215142, 16430284, 32860568, 65721136]

約数ペア:

[(1, 65721136), (2, 32860568), (4, 16430284), (8, 8215142), (13, 5055472), (16, 4107571), (26, 2527736), (52, 1263868), (104, 631934), (208, 315967)]