215020288

素因数分解:

$2^8\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1237}}^1$

素因数の和:1357

約数の個数: 72

約数和(自身を含む): 495972512

約数和(自身を除く): 280952224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 97, 112, 128, 194, 224, 256, 388, 448, 679, 776, 896, 1237, 1358, 1552, 1792, 2474, 2716, 3104, 4948, 5432, 6208, 8659, 9896, 10864, 12416, 17318, 19792, 21728, 24832, 34636, 39584, 43456, 69272, 79168, 86912, 119989, 138544, 158336, 173824, 239978, 277088, 316672, 479956, 554176, 839923, 959912, 1108352, 1679846, 1919824, 2216704, 3359692, 3839648, 6719384, 7679296, 13438768, 15358592, 26877536, 30717184, 53755072, 107510144, 215020288]

約数ペア:

[(1, 215020288), (2, 107510144), (4, 53755072), (7, 30717184), (8, 26877536), (14, 15358592), (16, 13438768), (28, 7679296), (32, 6719384), (56, 3839648), (64, 3359692), (97, 2216704), (112, 1919824), (128, 1679846), (194, 1108352), (224, 959912), (256, 839923), (388, 554176), (448, 479956), (679, 316672), (776, 277088), (896, 239978), (1237, 173824), (1358, 158336), (1552, 138544), (1792, 119989), (2474, 86912), (2716, 79168), (3104, 69272), (4948, 43456), (5432, 39584), (6208, 34636), (8659, 24832), (9896, 21728), (10864, 19792), (12416, 17318)]