78649256

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:366

約数の個数: 64

約数和(自身を含む): 173352960

約数和(自身を除く): 94703704

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 131, 142, 151, 262, 284, 302, 497, 524, 568, 604, 917, 994, 1048, 1057, 1208, 1834, 1988, 2114, 3668, 3976, 4228, 7336, 8456, 9301, 10721, 18602, 19781, 21442, 37204, 39562, 42884, 65107, 74408, 75047, 79124, 85768, 130214, 138467, 150094, 158248, 260428, 276934, 300188, 520856, 553868, 600376, 1107736, 1404451, 2808902, 5617804, 9831157, 11235608, 19662314, 39324628, 78649256]

約数ペア:

[(1, 78649256), (2, 39324628), (4, 19662314), (7, 11235608), (8, 9831157), (14, 5617804), (28, 2808902), (56, 1404451), (71, 1107736), (131, 600376), (142, 553868), (151, 520856), (262, 300188), (284, 276934), (302, 260428), (497, 158248), (524, 150094), (568, 138467), (604, 130214), (917, 85768), (994, 79124), (1048, 75047), (1057, 74408), (1208, 65107), (1834, 42884), (1988, 39562), (2114, 37204), (3668, 21442), (3976, 19781), (4228, 18602), (7336, 10721), (8456, 9301)]