71542828

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1511}}^1$

素因数の和:1630

約数の個数: 48

約数和(自身を含む): 152409600

約数和(自身を除く): 80866772

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 89, 133, 178, 266, 356, 532, 623, 1246, 1511, 1691, 2492, 3022, 3382, 6044, 6764, 10577, 11837, 21154, 23674, 28709, 42308, 47348, 57418, 114836, 134479, 200963, 268958, 401926, 537916, 803852, 941353, 1882706, 2555101, 3765412, 5110202, 10220404, 17885707, 35771414, 71542828]

約数ペア:

[(1, 71542828), (2, 35771414), (4, 17885707), (7, 10220404), (14, 5110202), (19, 3765412), (28, 2555101), (38, 1882706), (76, 941353), (89, 803852), (133, 537916), (178, 401926), (266, 268958), (356, 200963), (532, 134479), (623, 114836), (1246, 57418), (1511, 47348), (1691, 42308), (2492, 28709), (3022, 23674), (3382, 21154), (6044, 11837), (6764, 10577)]