31853718

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{691}}^1$

素因数の和:909

約数の個数: 48

約数和(自身を含む): 74810736

約数和(自身を除く): 42957018

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 197, 234, 394, 591, 691, 1182, 1382, 1773, 2073, 2561, 3546, 4146, 5122, 6219, 7683, 8983, 12438, 15366, 17966, 23049, 26949, 46098, 53898, 80847, 136127, 161694, 272254, 408381, 816762, 1225143, 1769651, 2450286, 3539302, 5308953, 10617906, 15926859, 31853718]

約数ペア:

[(1, 31853718), (2, 15926859), (3, 10617906), (6, 5308953), (9, 3539302), (13, 2450286), (18, 1769651), (26, 1225143), (39, 816762), (78, 408381), (117, 272254), (197, 161694), (234, 136127), (394, 80847), (591, 53898), (691, 46098), (1182, 26949), (1382, 23049), (1773, 17966), (2073, 15366), (2561, 12438), (3546, 8983), (4146, 7683), (5122, 6219)]