649238928

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1040447}}^1$

素因数の和:1040471

約数の個数: 40

約数和(自身を含む): 1806217728

約数和(自身を除く): 1156978800

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 1040447, 2080894, 3121341, 4161788, 6242682, 8323576, 12485364, 13525811, 16647152, 24970728, 27051622, 40577433, 49941456, 54103244, 81154866, 108206488, 162309732, 216412976, 324619464, 649238928]

約数ペア:

[(1, 649238928), (2, 324619464), (3, 216412976), (4, 162309732), (6, 108206488), (8, 81154866), (12, 54103244), (13, 49941456), (16, 40577433), (24, 27051622), (26, 24970728), (39, 16647152), (48, 13525811), (52, 12485364), (78, 8323576), (104, 6242682), (156, 4161788), (208, 3121341), (312, 2080894), (624, 1040447)]