81751406

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{1321}}^1$

素因数の和:1460

約数の個数: 32

約数和(自身を含む): 139920480

約数和(自身を除く): 58169074

約数列:

[1, 2, 11, 22, 29, 58, 97, 194, 319, 638, 1067, 1321, 2134, 2642, 2813, 5626, 14531, 29062, 30943, 38309, 61886, 76618, 128137, 256274, 421399, 842798, 1409507, 2819014, 3715973, 7431946, 40875703, 81751406]

約数ペア:

[(1, 81751406), (2, 40875703), (11, 7431946), (22, 3715973), (29, 2819014), (58, 1409507), (97, 842798), (194, 421399), (319, 256274), (638, 128137), (1067, 76618), (1321, 61886), (2134, 38309), (2642, 30943), (2813, 29062), (5626, 14531)]