128974976

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{77509}}^1$

素因数の和:77536

約数の個数: 32

約数和(自身を含む): 276710700

約数和(自身を除く): 147735724

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 77509, 155018, 310036, 620072, 1007617, 1240144, 2015234, 2480288, 4030468, 4960576, 8060936, 9921152, 16121872, 32243744, 64487488, 128974976]

約数ペア:

[(1, 128974976), (2, 64487488), (4, 32243744), (8, 16121872), (13, 9921152), (16, 8060936), (26, 4960576), (32, 4030468), (52, 2480288), (64, 2015234), (104, 1240144), (128, 1007617), (208, 620072), (416, 310036), (832, 155018), (1664, 77509)]