30781894

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2503}}^1$

素因数の和:2572

約数の個数: 32

約数和(自身を含む): 55528704

約数和(自身を除く): 24746810

約数列:

[1, 2, 11, 13, 22, 26, 43, 86, 143, 286, 473, 559, 946, 1118, 2503, 5006, 6149, 12298, 27533, 32539, 55066, 65078, 107629, 215258, 357929, 715858, 1183919, 1399177, 2367838, 2798354, 15390947, 30781894]

約数ペア:

[(1, 30781894), (2, 15390947), (11, 2798354), (13, 2367838), (22, 1399177), (26, 1183919), (43, 715858), (86, 357929), (143, 215258), (286, 107629), (473, 65078), (559, 55066), (946, 32539), (1118, 27533), (2503, 12298), (5006, 6149)]