639210088

素因数分解:

$2^3\times {\mathrm{11}}^3\times {\mathrm{173}}^1\times {\mathrm{347}}^1$

素因数の和:559

約数の個数: 64

約数和(自身を含む): 1329721920

約数和(自身を除く): 690511832

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 173, 242, 346, 347, 484, 692, 694, 968, 1331, 1384, 1388, 1903, 2662, 2776, 3806, 3817, 5324, 7612, 7634, 10648, 15224, 15268, 20933, 30536, 41866, 41987, 60031, 83732, 83974, 120062, 167464, 167948, 230263, 240124, 335896, 460526, 461857, 480248, 660341, 921052, 923714, 1320682, 1842104, 1847428, 2641364, 3694856, 5282728, 7263751, 14527502, 29055004, 58110008, 79901261, 159802522, 319605044, 639210088]

約数ペア:

[(1, 639210088), (2, 319605044), (4, 159802522), (8, 79901261), (11, 58110008), (22, 29055004), (44, 14527502), (88, 7263751), (121, 5282728), (173, 3694856), (242, 2641364), (346, 1847428), (347, 1842104), (484, 1320682), (692, 923714), (694, 921052), (968, 660341), (1331, 480248), (1384, 461857), (1388, 460526), (1903, 335896), (2662, 240124), (2776, 230263), (3806, 167948), (3817, 167464), (5324, 120062), (7612, 83974), (7634, 83732), (10648, 60031), (15224, 41987), (15268, 41866), (20933, 30536)]