644356181519

素因数分解:

${\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{2380043}}^1$

素因数の和:2380294

約数の個数: 16

約数和(自身を含む): 685452672000

約数和(自身を除く): 41096490481

約数列:

[1, 23, 79, 149, 1817, 3427, 11771, 270733, 2380043, 54740989, 188023397, 354626407, 4324538131, 8156407361, 28015486153, 644356181519]

約数ペア:

[(1, 644356181519), (23, 28015486153), (79, 8156407361), (149, 4324538131), (1817, 354626407), (3427, 188023397), (11771, 54740989), (270733, 2380043)]