855621142

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{194371}}^1$

素因数の和:194475

約数の個数: 16

約数和(自身を含む): 1343499264

約数和(自身を除く): 487878122

約数列:

[1, 2, 31, 62, 71, 142, 2201, 4402, 194371, 388742, 6025501, 12051002, 13800341, 27600682, 427810571, 855621142]

約数ペア:

[(1, 855621142), (2, 427810571), (31, 27600682), (62, 13800341), (71, 12051002), (142, 6025501), (2201, 388742), (4402, 194371)]