71313110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:509

約数の個数: 64

約数和(自身を含む): 148552704

約数和(自身を除く): 77239594

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 71, 110, 115, 142, 230, 253, 355, 397, 506, 710, 781, 794, 1265, 1562, 1633, 1985, 2530, 3266, 3905, 3970, 4367, 7810, 8165, 8734, 9131, 16330, 17963, 18262, 21835, 28187, 35926, 43670, 45655, 56374, 89815, 91310, 100441, 140935, 179630, 200882, 281870, 310057, 502205, 620114, 648301, 1004410, 1296602, 1550285, 3100570, 3241505, 6483010, 7131311, 14262622, 35656555, 71313110]

約数ペア:

[(1, 71313110), (2, 35656555), (5, 14262622), (10, 7131311), (11, 6483010), (22, 3241505), (23, 3100570), (46, 1550285), (55, 1296602), (71, 1004410), (110, 648301), (115, 620114), (142, 502205), (230, 310057), (253, 281870), (355, 200882), (397, 179630), (506, 140935), (710, 100441), (781, 91310), (794, 89815), (1265, 56374), (1562, 45655), (1633, 43670), (1985, 35926), (2530, 28187), (3266, 21835), (3905, 18262), (3970, 17963), (4367, 16330), (7810, 9131), (8165, 8734)]