64216376

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:636

約数の個数: 64

約数和(自身を含む): 144322560

約数和(自身を除く): 80106184

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 71, 124, 142, 217, 248, 284, 434, 497, 521, 568, 868, 994, 1042, 1736, 1988, 2084, 2201, 3647, 3976, 4168, 4402, 7294, 8804, 14588, 15407, 16151, 17608, 29176, 30814, 32302, 36991, 61628, 64604, 73982, 113057, 123256, 129208, 147964, 226114, 258937, 295928, 452228, 517874, 904456, 1035748, 1146721, 2071496, 2293442, 4586884, 8027047, 9173768, 16054094, 32108188, 64216376]

約数ペア:

[(1, 64216376), (2, 32108188), (4, 16054094), (7, 9173768), (8, 8027047), (14, 4586884), (28, 2293442), (31, 2071496), (56, 1146721), (62, 1035748), (71, 904456), (124, 517874), (142, 452228), (217, 295928), (248, 258937), (284, 226114), (434, 147964), (497, 129208), (521, 123256), (568, 113057), (868, 73982), (994, 64604), (1042, 61628), (1736, 36991), (1988, 32302), (2084, 30814), (2201, 29176), (3647, 17608), (3976, 16151), (4168, 15407), (4402, 14588), (7294, 8804)]