639409038

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^2\times {\mathrm{173}}^1\times {\mathrm{641}}^1$

素因数の和:881

約数の個数: 48

約数和(自身を含む): 1331112528

約数和(自身を除く): 691703490

約数列:

[1, 2, 3, 6, 31, 62, 93, 173, 186, 346, 519, 641, 961, 1038, 1282, 1922, 1923, 2883, 3846, 5363, 5766, 10726, 16089, 19871, 32178, 39742, 59613, 110893, 119226, 166253, 221786, 332506, 332679, 498759, 616001, 665358, 997518, 1232002, 1848003, 3437683, 3696006, 6875366, 10313049, 20626098, 106568173, 213136346, 319704519, 639409038]

約数ペア:

[(1, 639409038), (2, 319704519), (3, 213136346), (6, 106568173), (31, 20626098), (62, 10313049), (93, 6875366), (173, 3696006), (186, 3437683), (346, 1848003), (519, 1232002), (641, 997518), (961, 665358), (1038, 616001), (1282, 498759), (1922, 332679), (1923, 332506), (2883, 221786), (3846, 166253), (5363, 119226), (5766, 110893), (10726, 59613), (16089, 39742), (19871, 32178)]