156861568

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{64499}}^1$

素因数の和:64532

約数の個数: 32

約数和(自身を含む): 328950000

約数和(自身を除く): 172088432

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 64499, 128998, 257996, 515992, 1031984, 1225481, 2063968, 2450962, 4127936, 4901924, 8255872, 9803848, 19607696, 39215392, 78430784, 156861568]

約数ペア:

[(1, 156861568), (2, 78430784), (4, 39215392), (8, 19607696), (16, 9803848), (19, 8255872), (32, 4901924), (38, 4127936), (64, 2450962), (76, 2063968), (128, 1225481), (152, 1031984), (304, 515992), (608, 257996), (1216, 128998), (2432, 64499)]