155555584

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{31981}}^1$

素因数の和:32016

約数の個数: 36

約数和(自身を含む): 326856040

約数和(自身を除く): 171300456

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 608, 1216, 2432, 4864, 31981, 63962, 127924, 255848, 511696, 607639, 1023392, 1215278, 2046784, 2430556, 4093568, 4861112, 8187136, 9722224, 19444448, 38888896, 77777792, 155555584]

約数ペア:

[(1, 155555584), (2, 77777792), (4, 38888896), (8, 19444448), (16, 9722224), (19, 8187136), (32, 4861112), (38, 4093568), (64, 2430556), (76, 2046784), (128, 1215278), (152, 1023392), (256, 607639), (304, 511696), (608, 255848), (1216, 127924), (2432, 63962), (4864, 31981)]