6439972

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 14938560

約数和(自身を除く): 8498588

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 29, 44, 49, 58, 77, 98, 103, 116, 154, 196, 203, 206, 308, 319, 406, 412, 539, 638, 721, 812, 1078, 1133, 1276, 1421, 1442, 2156, 2233, 2266, 2842, 2884, 2987, 4466, 4532, 5047, 5684, 5974, 7931, 8932, 10094, 11948, 15631, 15862, 20188, 20909, 31262, 31724, 32857, 41818, 55517, 62524, 65714, 83636, 111034, 131428, 146363, 222068, 229999, 292726, 459998, 585452, 919996, 1609993, 3219986, 6439972]

約数ペア:

[(1, 6439972), (2, 3219986), (4, 1609993), (7, 919996), (11, 585452), (14, 459998), (22, 292726), (28, 229999), (29, 222068), (44, 146363), (49, 131428), (58, 111034), (77, 83636), (98, 65714), (103, 62524), (116, 55517), (154, 41818), (196, 32857), (203, 31724), (206, 31262), (308, 20909), (319, 20188), (406, 15862), (412, 15631), (539, 11948), (638, 10094), (721, 8932), (812, 7931), (1078, 5974), (1133, 5684), (1276, 5047), (1421, 4532), (1442, 4466), (2156, 2987), (2233, 2884), (2266, 2842)]