71353975

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{367}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 111707136

約数和(自身を除く): 40353161

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 101, 175, 275, 367, 385, 505, 707, 1111, 1835, 1925, 2525, 2569, 3535, 4037, 5555, 7777, 9175, 12845, 17675, 20185, 27775, 28259, 37067, 38885, 64225, 100925, 141295, 185335, 194425, 259469, 407737, 706475, 926675, 1297345, 2038685, 2854159, 6486725, 10193425, 14270795, 71353975]

約数ペア:

[(1, 71353975), (5, 14270795), (7, 10193425), (11, 6486725), (25, 2854159), (35, 2038685), (55, 1297345), (77, 926675), (101, 706475), (175, 407737), (275, 259469), (367, 194425), (385, 185335), (505, 141295), (707, 100925), (1111, 64225), (1835, 38885), (1925, 37067), (2525, 28259), (2569, 27775), (3535, 20185), (4037, 17675), (5555, 12845), (7777, 9175)]