81963232

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2699}}^1$

素因数の和:2795

約数の個数: 48

約数和(自身を含む): 176223600

約数和(自身を除く): 94260368

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 73, 104, 146, 208, 292, 416, 584, 949, 1168, 1898, 2336, 2699, 3796, 5398, 7592, 10796, 15184, 21592, 30368, 35087, 43184, 70174, 86368, 140348, 197027, 280696, 394054, 561392, 788108, 1122784, 1576216, 2561351, 3152432, 5122702, 6304864, 10245404, 20490808, 40981616, 81963232]

約数ペア:

[(1, 81963232), (2, 40981616), (4, 20490808), (8, 10245404), (13, 6304864), (16, 5122702), (26, 3152432), (32, 2561351), (52, 1576216), (73, 1122784), (104, 788108), (146, 561392), (208, 394054), (292, 280696), (416, 197027), (584, 140348), (949, 86368), (1168, 70174), (1898, 43184), (2336, 35087), (2699, 30368), (3796, 21592), (5398, 15184), (7592, 10796)]