81205565

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{859}}^1$

素因数の和:981

約数の個数: 32

約数和(自身を含む): 116079360

約数和(自身を除く): 34873795

約数列:

[1, 5, 7, 35, 37, 73, 185, 259, 365, 511, 859, 1295, 2555, 2701, 4295, 6013, 13505, 18907, 30065, 31783, 62707, 94535, 158915, 222481, 313535, 438949, 1112405, 2194745, 2320159, 11600795, 16241113, 81205565]

約数ペア:

[(1, 81205565), (5, 16241113), (7, 11600795), (35, 2320159), (37, 2194745), (73, 1112405), (185, 438949), (259, 313535), (365, 222481), (511, 158915), (859, 94535), (1295, 62707), (2555, 31783), (2701, 30065), (4295, 18907), (6013, 13505)]