128528608

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{607}}^1$

素因数の和:1139

約数の個数: 48

約数和(自身を含む): 273490560

約数和(自身を除く): 144961952

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 509, 607, 1018, 1214, 2036, 2428, 4072, 4856, 6617, 7891, 8144, 9712, 13234, 15782, 16288, 19424, 26468, 31564, 52936, 63128, 105872, 126256, 211744, 252512, 308963, 617926, 1235852, 2471704, 4016519, 4943408, 8033038, 9886816, 16066076, 32132152, 64264304, 128528608]

約数ペア:

[(1, 128528608), (2, 64264304), (4, 32132152), (8, 16066076), (13, 9886816), (16, 8033038), (26, 4943408), (32, 4016519), (52, 2471704), (104, 1235852), (208, 617926), (416, 308963), (509, 252512), (607, 211744), (1018, 126256), (1214, 105872), (2036, 63128), (2428, 52936), (4072, 31564), (4856, 26468), (6617, 19424), (7891, 16288), (8144, 15782), (9712, 13234)]