31140228

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{953}}^1$

素因数の和:1356

約数の個数: 48

約数和(自身を含む): 83341440

約数和(自身を除く): 52201212

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 389, 778, 953, 1167, 1556, 1906, 2334, 2723, 2859, 3812, 4668, 5446, 5718, 6671, 8169, 10892, 11436, 13342, 16338, 20013, 26684, 32676, 40026, 80052, 370717, 741434, 1112151, 1482868, 2224302, 2595019, 4448604, 5190038, 7785057, 10380076, 15570114, 31140228]

約数ペア:

[(1, 31140228), (2, 15570114), (3, 10380076), (4, 7785057), (6, 5190038), (7, 4448604), (12, 2595019), (14, 2224302), (21, 1482868), (28, 1112151), (42, 741434), (84, 370717), (389, 80052), (778, 40026), (953, 32676), (1167, 26684), (1556, 20013), (1906, 16338), (2334, 13342), (2723, 11436), (2859, 10892), (3812, 8169), (4668, 6671), (5446, 5718)]