858640015

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{823}}^1$

素因数の和:1039

約数の個数: 32

約数和(自身を含む): 1093533696

約数和(自身を除く): 234893681

約数列:

[1, 5, 31, 53, 127, 155, 265, 635, 823, 1643, 3937, 4115, 6731, 8215, 19685, 25513, 33655, 43619, 104521, 127565, 208661, 218095, 522605, 1043305, 1352189, 3240151, 5539613, 6760945, 16200755, 27698065, 171728003, 858640015]

約数ペア:

[(1, 858640015), (5, 171728003), (31, 27698065), (53, 16200755), (127, 6760945), (155, 5539613), (265, 3240151), (635, 1352189), (823, 1043305), (1643, 522605), (3937, 218095), (4115, 208661), (6731, 127565), (8215, 104521), (19685, 43619), (25513, 33655)]