2155753655

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{421}}^1\times {\mathrm{593}}^1$

素因数の和:1187

約数の個数: 32

約数和(自身を含む): 2851599168

約数和(自身を除く): 695845513

約数列:

[1, 5, 11, 55, 157, 421, 593, 785, 1727, 2105, 2965, 4631, 6523, 8635, 23155, 32615, 66097, 93101, 249653, 330485, 465505, 727067, 1024111, 1248265, 2746183, 3635335, 5120555, 13730915, 39195521, 195977605, 431150731, 2155753655]

約数ペア:

[(1, 2155753655), (5, 431150731), (11, 195977605), (55, 39195521), (157, 13730915), (421, 5120555), (593, 3635335), (785, 2746183), (1727, 1248265), (2105, 1024111), (2965, 727067), (4631, 465505), (6523, 330485), (8635, 249653), (23155, 93101), (32615, 66097)]