30781982

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1459}}^1$

素因数の和:1616

約数の個数: 32

約数和(自身を含む): 58026240

約数和(自身を除く): 27244258

約数列:

[1, 2, 7, 11, 14, 22, 77, 137, 154, 274, 959, 1459, 1507, 1918, 2918, 3014, 10213, 10549, 16049, 20426, 21098, 32098, 112343, 199883, 224686, 399766, 1399181, 2198713, 2798362, 4397426, 15390991, 30781982]

約数ペア:

[(1, 30781982), (2, 15390991), (7, 4397426), (11, 2798362), (14, 2198713), (22, 1399181), (77, 399766), (137, 224686), (154, 199883), (274, 112343), (959, 32098), (1459, 21098), (1507, 20426), (1918, 16049), (2918, 10549), (3014, 10213)]