81725555

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{331}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 109002240

約数和(自身を除く): 27276685

約数列:

[1, 5, 19, 23, 95, 113, 115, 331, 437, 565, 1655, 2147, 2185, 2599, 6289, 7613, 10735, 12995, 31445, 37403, 38065, 49381, 144647, 187015, 246905, 710657, 723235, 860269, 3553285, 4301345, 16345111, 81725555]

約数ペア:

[(1, 81725555), (5, 16345111), (19, 4301345), (23, 3553285), (95, 860269), (113, 723235), (115, 710657), (331, 246905), (437, 187015), (565, 144647), (1655, 49381), (2147, 38065), (2185, 37403), (2599, 31445), (6289, 12995), (7613, 10735)]