212859812

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:417

約数の個数: 72

約数和(自身を含む): 437942400

約数和(自身を除く): 225082588

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 79, 121, 158, 209, 242, 293, 316, 418, 484, 586, 836, 869, 1172, 1501, 1738, 2299, 3002, 3223, 3476, 4598, 5567, 6004, 6446, 9196, 9559, 11134, 12892, 16511, 19118, 22268, 23147, 33022, 35453, 38236, 46294, 61237, 66044, 70906, 92588, 122474, 141812, 181621, 244948, 254617, 363242, 439793, 509234, 673607, 726484, 879586, 1018468, 1347214, 1759172, 2694428, 2800787, 4837723, 5601574, 9675446, 11203148, 19350892, 53214953, 106429906, 212859812]

約数ペア:

[(1, 212859812), (2, 106429906), (4, 53214953), (11, 19350892), (19, 11203148), (22, 9675446), (38, 5601574), (44, 4837723), (76, 2800787), (79, 2694428), (121, 1759172), (158, 1347214), (209, 1018468), (242, 879586), (293, 726484), (316, 673607), (418, 509234), (484, 439793), (586, 363242), (836, 254617), (869, 244948), (1172, 181621), (1501, 141812), (1738, 122474), (2299, 92588), (3002, 70906), (3223, 66044), (3476, 61237), (4598, 46294), (5567, 38236), (6004, 35453), (6446, 33022), (9196, 23147), (9559, 22268), (11134, 19118), (12892, 16511)]