27991172

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{151}}^1\times {\mathrm{383}}^1$

素因数の和:560

約数の個数: 36

約数和(自身を含む): 54340608

約数和(自身を除く): 26349436

約数列:

[1, 2, 4, 11, 22, 44, 121, 151, 242, 302, 383, 484, 604, 766, 1532, 1661, 3322, 4213, 6644, 8426, 16852, 18271, 36542, 46343, 57833, 73084, 92686, 115666, 185372, 231332, 636163, 1272326, 2544652, 6997793, 13995586, 27991172]

約数ペア:

[(1, 27991172), (2, 13995586), (4, 6997793), (11, 2544652), (22, 1272326), (44, 636163), (121, 231332), (151, 185372), (242, 115666), (302, 92686), (383, 73084), (484, 57833), (604, 46343), (766, 36542), (1532, 18271), (1661, 16852), (3322, 8426), (4213, 6644)]