81211424

素因数分解:

$2^5\times 7^5\times {\mathrm{151}}^1$

素因数の和:196

約数の個数: 72

約数和(自身を含む): 187766208

約数和(自身を除く): 106554784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 151, 196, 224, 302, 343, 392, 604, 686, 784, 1057, 1208, 1372, 1568, 2114, 2401, 2416, 2744, 4228, 4802, 4832, 5488, 7399, 8456, 9604, 10976, 14798, 16807, 16912, 19208, 29596, 33614, 33824, 38416, 51793, 59192, 67228, 76832, 103586, 118384, 134456, 207172, 236768, 268912, 362551, 414344, 537824, 725102, 828688, 1450204, 1657376, 2537857, 2900408, 5075714, 5800816, 10151428, 11601632, 20302856, 40605712, 81211424]

約数ペア:

[(1, 81211424), (2, 40605712), (4, 20302856), (7, 11601632), (8, 10151428), (14, 5800816), (16, 5075714), (28, 2900408), (32, 2537857), (49, 1657376), (56, 1450204), (98, 828688), (112, 725102), (151, 537824), (196, 414344), (224, 362551), (302, 268912), (343, 236768), (392, 207172), (604, 134456), (686, 118384), (784, 103586), (1057, 76832), (1208, 67228), (1372, 59192), (1568, 51793), (2114, 38416), (2401, 33824), (2416, 33614), (2744, 29596), (4228, 19208), (4802, 16912), (4832, 16807), (5488, 14798), (7399, 10976), (8456, 9604)]