639595005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1\times {\mathrm{613}}^1$

素因数の和:1170

約数の個数: 64

約数和(自身を含む): 1235466240

約数和(自身を除く): 595871235

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 523, 613, 665, 1569, 1839, 1995, 2615, 3065, 3661, 4291, 7845, 9195, 9937, 10983, 11647, 12873, 18305, 21455, 29811, 34941, 49685, 54915, 58235, 64365, 69559, 81529, 149055, 174705, 208677, 244587, 320599, 347795, 407645, 961797, 1043385, 1222935, 1602995, 2244193, 4808985, 6091381, 6732579, 11220965, 18274143, 30456905, 33662895, 42639667, 91370715, 127919001, 213198335, 639595005]

約数ペア:

[(1, 639595005), (3, 213198335), (5, 127919001), (7, 91370715), (15, 42639667), (19, 33662895), (21, 30456905), (35, 18274143), (57, 11220965), (95, 6732579), (105, 6091381), (133, 4808985), (285, 2244193), (399, 1602995), (523, 1222935), (613, 1043385), (665, 961797), (1569, 407645), (1839, 347795), (1995, 320599), (2615, 244587), (3065, 208677), (3661, 174705), (4291, 149055), (7845, 81529), (9195, 69559), (9937, 64365), (10983, 58235), (11647, 54915), (12873, 49685), (18305, 34941), (21455, 29811)]