25503478

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12739}}^1$

素因数の和:12772

約数の個数: 32

約数和(自身を含む): 51367680

約数和(自身を除く): 25864202

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 1001, 2002, 12739, 25478, 89173, 140129, 165607, 178346, 280258, 331214, 980903, 1159249, 1821677, 1961806, 2318498, 3643354, 12751739, 25503478]

約数ペア:

[(1, 25503478), (2, 12751739), (7, 3643354), (11, 2318498), (13, 1961806), (14, 1821677), (22, 1159249), (26, 980903), (77, 331214), (91, 280258), (143, 178346), (154, 165607), (182, 140129), (286, 89173), (1001, 25478), (2002, 12739)]