42820705

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 56519424

約数和(自身を除く): 13698719

約数列:

[1, 5, 17, 67, 73, 85, 103, 335, 365, 515, 1139, 1241, 1751, 4891, 5695, 6205, 6901, 7519, 8755, 24455, 34505, 37595, 83147, 117317, 127823, 415735, 503773, 586585, 639115, 2518865, 8564141, 42820705]

約数ペア:

[(1, 42820705), (5, 8564141), (17, 2518865), (67, 639115), (73, 586585), (85, 503773), (103, 415735), (335, 127823), (365, 117317), (515, 83147), (1139, 37595), (1241, 34505), (1751, 24455), (4891, 8755), (5695, 7519), (6205, 6901)]