1295590

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:204

約数の個数: 32

約数和(自身を含む): 2509056

約数和(自身を除く): 1213466

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 131, 215, 230, 262, 430, 655, 989, 1310, 1978, 3013, 4945, 5633, 6026, 9890, 11266, 15065, 28165, 30130, 56330, 129559, 259118, 647795, 1295590]

約数ペア:

[(1, 1295590), (2, 647795), (5, 259118), (10, 129559), (23, 56330), (43, 30130), (46, 28165), (86, 15065), (115, 11266), (131, 9890), (215, 6026), (230, 5633), (262, 4945), (430, 3013), (655, 1978), (989, 1310)]