81945584

素因数分解:

$2^4\times 7^1\times {\mathrm{457}}^1\times {\mathrm{1601}}^1$

素因数の和:2073

約数の個数: 40

約数和(自身を含む): 181961568

約数和(自身を除く): 100015984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 457, 914, 1601, 1828, 3199, 3202, 3656, 6398, 6404, 7312, 11207, 12796, 12808, 22414, 25592, 25616, 44828, 51184, 89656, 179312, 731657, 1463314, 2926628, 5121599, 5853256, 10243198, 11706512, 20486396, 40972792, 81945584]

約数ペア:

[(1, 81945584), (2, 40972792), (4, 20486396), (7, 11706512), (8, 10243198), (14, 5853256), (16, 5121599), (28, 2926628), (56, 1463314), (112, 731657), (457, 179312), (914, 89656), (1601, 51184), (1828, 44828), (3199, 25616), (3202, 25592), (3656, 22414), (6398, 12808), (6404, 12796), (7312, 11207)]