71521310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{21739}}^1$

素因数の和:21800

約数の個数: 32

約数和(自身を含む): 150266880

約数和(自身を除く): 78745570

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 235, 329, 470, 658, 1645, 3290, 21739, 43478, 108695, 152173, 217390, 304346, 760865, 1021733, 1521730, 2043466, 5108665, 7152131, 10217330, 14304262, 35760655, 71521310]

約数ペア:

[(1, 71521310), (2, 35760655), (5, 14304262), (7, 10217330), (10, 7152131), (14, 5108665), (35, 2043466), (47, 1521730), (70, 1021733), (94, 760865), (235, 304346), (329, 217390), (470, 152173), (658, 108695), (1645, 43478), (3290, 21739)]