81453808

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{349}}^1\times {\mathrm{503}}^1$

素因数の和:889

約数の個数: 40

約数和(自身を含む): 164052000

約数和(自身を除く): 82598192

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 349, 464, 503, 698, 1006, 1396, 2012, 2792, 4024, 5584, 8048, 10121, 14587, 20242, 29174, 40484, 58348, 80968, 116696, 161936, 175547, 233392, 351094, 702188, 1404376, 2808752, 5090863, 10181726, 20363452, 40726904, 81453808]

約数ペア:

[(1, 81453808), (2, 40726904), (4, 20363452), (8, 10181726), (16, 5090863), (29, 2808752), (58, 1404376), (116, 702188), (232, 351094), (349, 233392), (464, 175547), (503, 161936), (698, 116696), (1006, 80968), (1396, 58348), (2012, 40484), (2792, 29174), (4024, 20242), (5584, 14587), (8048, 10121)]