81377956

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{829}}^1$

素因数の和:964

約数の個数: 48

約数和(自身を含む): 163981440

約数和(自身を除く): 82603484

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 97, 194, 253, 388, 506, 829, 1012, 1067, 1658, 2134, 2231, 3316, 4268, 4462, 8924, 9119, 18238, 19067, 24541, 36476, 38134, 49082, 76268, 80413, 98164, 160826, 209737, 321652, 419474, 838948, 884543, 1769086, 1849499, 3538172, 3698998, 7397996, 20344489, 40688978, 81377956]

約数ペア:

[(1, 81377956), (2, 40688978), (4, 20344489), (11, 7397996), (22, 3698998), (23, 3538172), (44, 1849499), (46, 1769086), (92, 884543), (97, 838948), (194, 419474), (253, 321652), (388, 209737), (506, 160826), (829, 98164), (1012, 80413), (1067, 76268), (1658, 49082), (2134, 38134), (2231, 36476), (3316, 24541), (4268, 19067), (4462, 18238), (8924, 9119)]