639273612

素因数分解:

$2^2\times 3^1\times {\mathrm{163}}^1\times {\mathrm{317}}^1\times {\mathrm{1031}}^1$

素因数の和:1518

約数の個数: 48

約数和(自身を含む): 1506984192

約数和(自身を除く): 867710580

約数列:

[1, 2, 3, 4, 6, 12, 163, 317, 326, 489, 634, 652, 951, 978, 1031, 1268, 1902, 1956, 2062, 3093, 3804, 4124, 6186, 12372, 51671, 103342, 155013, 168053, 206684, 310026, 326827, 336106, 504159, 620052, 653654, 672212, 980481, 1008318, 1307308, 1960962, 2016636, 3921924, 53272801, 106545602, 159818403, 213091204, 319636806, 639273612]

約数ペア:

[(1, 639273612), (2, 319636806), (3, 213091204), (4, 159818403), (6, 106545602), (12, 53272801), (163, 3921924), (317, 2016636), (326, 1960962), (489, 1307308), (634, 1008318), (652, 980481), (951, 672212), (978, 653654), (1031, 620052), (1268, 504159), (1902, 336106), (1956, 326827), (2062, 310026), (3093, 206684), (3804, 168053), (4124, 155013), (6186, 103342), (12372, 51671)]