81193196

素因数分解:

$2^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{6791}}^1$

素因数の和:6870

約数の個数: 36

約数和(自身を含む): 168020496

約数和(自身を除く): 86827300

約数列:

[1, 2, 4, 7, 14, 28, 49, 61, 98, 122, 196, 244, 427, 854, 1708, 2989, 5978, 6791, 11956, 13582, 27164, 47537, 95074, 190148, 332759, 414251, 665518, 828502, 1331036, 1657004, 2899757, 5799514, 11599028, 20298299, 40596598, 81193196]

約数ペア:

[(1, 81193196), (2, 40596598), (4, 20298299), (7, 11599028), (14, 5799514), (28, 2899757), (49, 1657004), (61, 1331036), (98, 828502), (122, 665518), (196, 414251), (244, 332759), (427, 190148), (854, 95074), (1708, 47537), (2989, 27164), (5978, 13582), (6791, 11956)]