261775166

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{601}}^1\times {\mathrm{2447}}^1$

素因数の和:3139

約数の個数: 16

約数和(自身を含む): 397897920

約数和(自身を除く): 136122754

約数列:

[1, 2, 89, 178, 601, 1202, 2447, 4894, 53489, 106978, 217783, 435566, 1470647, 2941294, 130887583, 261775166]

約数ペア:

[(1, 261775166), (2, 130887583), (89, 2941294), (178, 1470647), (601, 435566), (1202, 217783), (2447, 106978), (4894, 53489)]