857421474

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{82651}}^1$

素因数の和:82695

約数の個数: 64

約数和(自身を含む): 2221685760

約数和(自身を除く): 1364264286

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 57, 78, 91, 114, 133, 182, 247, 266, 273, 399, 494, 546, 741, 798, 1482, 1729, 3458, 5187, 10374, 82651, 165302, 247953, 495906, 578557, 1074463, 1157114, 1570369, 1735671, 2148926, 3140738, 3223389, 3471342, 4711107, 6446778, 7521241, 9422214, 10992583, 15042482, 20414797, 21985166, 22563723, 32977749, 40829594, 45127446, 61244391, 65955498, 122488782, 142903579, 285807158, 428710737, 857421474]

約数ペア:

[(1, 857421474), (2, 428710737), (3, 285807158), (6, 142903579), (7, 122488782), (13, 65955498), (14, 61244391), (19, 45127446), (21, 40829594), (26, 32977749), (38, 22563723), (39, 21985166), (42, 20414797), (57, 15042482), (78, 10992583), (91, 9422214), (114, 7521241), (133, 6446778), (182, 4711107), (247, 3471342), (266, 3223389), (273, 3140738), (399, 2148926), (494, 1735671), (546, 1570369), (741, 1157114), (798, 1074463), (1482, 578557), (1729, 495906), (3458, 247953), (5187, 165302), (10374, 82651)]