209314625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7577}}^1$

素因数の和:7622

約数の個数: 32

約数和(自身を含む): 297906336

約数和(自身を除く): 88591711

約数列:

[1, 5, 13, 17, 25, 65, 85, 125, 221, 325, 425, 1105, 1625, 2125, 5525, 7577, 27625, 37885, 98501, 128809, 189425, 492505, 644045, 947125, 1674517, 2462525, 3220225, 8372585, 12312625, 16101125, 41862925, 209314625]

約数ペア:

[(1, 209314625), (5, 41862925), (13, 16101125), (17, 12312625), (25, 8372585), (65, 3220225), (85, 2462525), (125, 1674517), (221, 947125), (325, 644045), (425, 492505), (1105, 189425), (1625, 128809), (2125, 98501), (5525, 37885), (7577, 27625)]