2478754516

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{251}}^1\times {\mathrm{977}}^1$

素因数の和:1277

約数の個数: 72

約数和(自身を含む): 5258385216

約数和(自身を除く): 2779630700

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 251, 266, 361, 502, 532, 722, 977, 1004, 1444, 1757, 1954, 2527, 3514, 3908, 4769, 5054, 6839, 7028, 9538, 10108, 13678, 18563, 19076, 27356, 33383, 37126, 66766, 74252, 90611, 129941, 133532, 181222, 245227, 259882, 352697, 362444, 490454, 519764, 634277, 705394, 980908, 1268554, 1410788, 1716589, 2468879, 2537108, 3433178, 4659313, 4937758, 6866356, 9318626, 9875516, 18637252, 32615191, 65230382, 88526947, 130460764, 177053894, 354107788, 619688629, 1239377258, 2478754516]

約数ペア:

[(1, 2478754516), (2, 1239377258), (4, 619688629), (7, 354107788), (14, 177053894), (19, 130460764), (28, 88526947), (38, 65230382), (76, 32615191), (133, 18637252), (251, 9875516), (266, 9318626), (361, 6866356), (502, 4937758), (532, 4659313), (722, 3433178), (977, 2537108), (1004, 2468879), (1444, 1716589), (1757, 1410788), (1954, 1268554), (2527, 980908), (3514, 705394), (3908, 634277), (4769, 519764), (5054, 490454), (6839, 362444), (7028, 352697), (9538, 259882), (10108, 245227), (13678, 181222), (18563, 133532), (19076, 129941), (27356, 90611), (33383, 74252), (37126, 66766)]