81895658

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1\times {\mathrm{271}}^1$

素因数の和:542

約数の個数: 32

約数和(自身を含む): 135717120

約数和(自身を除く): 53821462

約数列:

[1, 2, 13, 26, 59, 118, 197, 271, 394, 542, 767, 1534, 2561, 3523, 5122, 7046, 11623, 15989, 23246, 31978, 53387, 106774, 151099, 207857, 302198, 415714, 694031, 1388062, 3149833, 6299666, 40947829, 81895658]

約数ペア:

[(1, 81895658), (2, 40947829), (13, 6299666), (26, 3149833), (59, 1388062), (118, 694031), (197, 415714), (271, 302198), (394, 207857), (542, 151099), (767, 106774), (1534, 53387), (2561, 31978), (3523, 23246), (5122, 15989), (7046, 11623)]