51781802

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:422

約数の個数: 32

約数和(自身を含む): 84369600

約数和(自身を除く): 32587798

約数列:

[1, 2, 19, 38, 61, 89, 122, 178, 251, 502, 1159, 1691, 2318, 3382, 4769, 5429, 9538, 10858, 15311, 22339, 30622, 44678, 103151, 206302, 290909, 424441, 581818, 848882, 1362679, 2725358, 25890901, 51781802]

約数ペア:

[(1, 51781802), (2, 25890901), (19, 2725358), (38, 1362679), (61, 848882), (89, 581818), (122, 424441), (178, 290909), (251, 206302), (502, 103151), (1159, 44678), (1691, 30622), (2318, 22339), (3382, 15311), (4769, 10858), (5429, 9538)]