30991168

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{193}}^2$

素因数の和:411

約数の個数: 42

約数和(自身を含む): 66573654

約数和(自身を除く): 35582486

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 193, 208, 386, 416, 772, 832, 1544, 2509, 3088, 5018, 6176, 10036, 12352, 20072, 37249, 40144, 74498, 80288, 148996, 160576, 297992, 484237, 595984, 968474, 1191968, 1936948, 2383936, 3873896, 7747792, 15495584, 30991168]

約数ペア:

[(1, 30991168), (2, 15495584), (4, 7747792), (8, 3873896), (13, 2383936), (16, 1936948), (26, 1191968), (32, 968474), (52, 595984), (64, 484237), (104, 297992), (193, 160576), (208, 148996), (386, 80288), (416, 74498), (772, 40144), (832, 37249), (1544, 20072), (2509, 12352), (3088, 10036), (5018, 6176)]