31107088

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:415

約数の個数: 40

約数和(自身を含む): 61871040

約数和(自身を除く): 30763952

約数列:

[1, 2, 4, 8, 16, 71, 139, 142, 197, 278, 284, 394, 556, 568, 788, 1112, 1136, 1576, 2224, 3152, 9869, 13987, 19738, 27383, 27974, 39476, 54766, 55948, 78952, 109532, 111896, 157904, 219064, 223792, 438128, 1944193, 3888386, 7776772, 15553544, 31107088]

約数ペア:

[(1, 31107088), (2, 15553544), (4, 7776772), (8, 3888386), (16, 1944193), (71, 438128), (139, 223792), (142, 219064), (197, 157904), (278, 111896), (284, 109532), (394, 78952), (556, 55948), (568, 54766), (788, 39476), (1112, 27974), (1136, 27383), (1576, 19738), (2224, 13987), (3152, 9869)]