219995244

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{290999}}^1$

素因数の和:291019

約数の個数: 48

約数和(自身を含む): 651840000

約数和(自身を除く): 431844756

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 290999, 581998, 872997, 1163996, 1745994, 2036993, 2618991, 3491988, 4073986, 5237982, 6110979, 7856973, 8147972, 10475964, 12221958, 15713946, 18332937, 24443916, 31427892, 36665874, 54998811, 73331748, 109997622, 219995244]

約数ペア:

[(1, 219995244), (2, 109997622), (3, 73331748), (4, 54998811), (6, 36665874), (7, 31427892), (9, 24443916), (12, 18332937), (14, 15713946), (18, 12221958), (21, 10475964), (27, 8147972), (28, 7856973), (36, 6110979), (42, 5237982), (54, 4073986), (63, 3491988), (84, 2618991), (108, 2036993), (126, 1745994), (189, 1163996), (252, 872997), (378, 581998), (756, 290999)]