131981248

素因数分解:

$2^6\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1951}}^1$

素因数の和:2121

約数の個数: 56

約数和(自身を含む): 301451264

約数和(自身を除く): 169470016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 151, 224, 302, 448, 604, 1057, 1208, 1951, 2114, 2416, 3902, 4228, 4832, 7804, 8456, 9664, 13657, 15608, 16912, 27314, 31216, 33824, 54628, 62432, 67648, 109256, 124864, 218512, 294601, 437024, 589202, 874048, 1178404, 2062207, 2356808, 4124414, 4713616, 8248828, 9427232, 16497656, 18854464, 32995312, 65990624, 131981248]

約数ペア:

[(1, 131981248), (2, 65990624), (4, 32995312), (7, 18854464), (8, 16497656), (14, 9427232), (16, 8248828), (28, 4713616), (32, 4124414), (56, 2356808), (64, 2062207), (112, 1178404), (151, 874048), (224, 589202), (302, 437024), (448, 294601), (604, 218512), (1057, 124864), (1208, 109256), (1951, 67648), (2114, 62432), (2416, 54628), (3902, 33824), (4228, 31216), (4832, 27314), (7804, 16912), (8456, 15608), (9664, 13657)]