490493905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{1321}}^1$

素因数の和:1537

約数の個数: 32

約数和(自身を含む): 661719168

約数和(自身を除く): 171225263

約数列:

[1, 5, 11, 43, 55, 157, 215, 473, 785, 1321, 1727, 2365, 6605, 6751, 8635, 14531, 33755, 56803, 72655, 74261, 207397, 284015, 371305, 624833, 1036985, 2281367, 3124165, 8918071, 11406835, 44590355, 98098781, 490493905]

約数ペア:

[(1, 490493905), (5, 98098781), (11, 44590355), (43, 11406835), (55, 8918071), (157, 3124165), (215, 2281367), (473, 1036985), (785, 624833), (1321, 371305), (1727, 284015), (2365, 207397), (6605, 74261), (6751, 72655), (8635, 56803), (14531, 33755)]