221957456

素因数分解:

$2^4\times 7^2\times {\mathrm{89}}^1\times {\mathrm{3181}}^1$

素因数の和:3292

約数の個数: 60

約数和(自身を含む): 506033460

約数和(自身を除く): 284076004

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 89, 98, 112, 178, 196, 356, 392, 623, 712, 784, 1246, 1424, 2492, 3181, 4361, 4984, 6362, 8722, 9968, 12724, 17444, 22267, 25448, 34888, 44534, 50896, 69776, 89068, 155869, 178136, 283109, 311738, 356272, 566218, 623476, 1132436, 1246952, 1981763, 2264872, 2493904, 3963526, 4529744, 7927052, 13872341, 15854104, 27744682, 31708208, 55489364, 110978728, 221957456]

約数ペア:

[(1, 221957456), (2, 110978728), (4, 55489364), (7, 31708208), (8, 27744682), (14, 15854104), (16, 13872341), (28, 7927052), (49, 4529744), (56, 3963526), (89, 2493904), (98, 2264872), (112, 1981763), (178, 1246952), (196, 1132436), (356, 623476), (392, 566218), (623, 356272), (712, 311738), (784, 283109), (1246, 178136), (1424, 155869), (2492, 89068), (3181, 69776), (4361, 50896), (4984, 44534), (6362, 34888), (8722, 25448), (9968, 22267), (12724, 17444)]