81421918

素因数分解:

$2^1\times {\mathrm{151}}^1\times {\mathrm{359}}^1\times {\mathrm{751}}^1$

素因数の和:1263

約数の個数: 16

約数和(自身を含む): 123448320

約数和(自身を除く): 42026402

約数列:

[1, 2, 151, 302, 359, 718, 751, 1502, 54209, 108418, 113401, 226802, 269609, 539218, 40710959, 81421918]

約数ペア:

[(1, 81421918), (2, 40710959), (151, 539218), (302, 269609), (359, 226802), (718, 113401), (751, 108418), (1502, 54209)]