71563376

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{647}}^1$

素因数の和:909

約数の個数: 40

約数和(自身を含む): 143990784

約数和(自身を除く): 72427408

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 223, 248, 446, 496, 647, 892, 1294, 1784, 2588, 3568, 5176, 6913, 10352, 13826, 20057, 27652, 40114, 55304, 80228, 110608, 144281, 160456, 288562, 320912, 577124, 1154248, 2308496, 4472711, 8945422, 17890844, 35781688, 71563376]

約数ペア:

[(1, 71563376), (2, 35781688), (4, 17890844), (8, 8945422), (16, 4472711), (31, 2308496), (62, 1154248), (124, 577124), (223, 320912), (248, 288562), (446, 160456), (496, 144281), (647, 110608), (892, 80228), (1294, 55304), (1784, 40114), (2588, 27652), (3568, 20057), (5176, 13826), (6913, 10352)]