128971136

素因数分解:

$2^7\times 7^2\times {\mathrm{20563}}^1$

素因数の和:20591

約数の個数: 48

約数和(自身を含む): 298897740

約数和(自身を除く): 169926604

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 392, 448, 784, 896, 1568, 3136, 6272, 20563, 41126, 82252, 143941, 164504, 287882, 329008, 575764, 658016, 1007587, 1151528, 1316032, 2015174, 2303056, 2632064, 4030348, 4606112, 8060696, 9212224, 16121392, 18424448, 32242784, 64485568, 128971136]

約数ペア:

[(1, 128971136), (2, 64485568), (4, 32242784), (7, 18424448), (8, 16121392), (14, 9212224), (16, 8060696), (28, 4606112), (32, 4030348), (49, 2632064), (56, 2303056), (64, 2015174), (98, 1316032), (112, 1151528), (128, 1007587), (196, 658016), (224, 575764), (392, 329008), (448, 287882), (784, 164504), (896, 143941), (1568, 82252), (3136, 41126), (6272, 20563)]