31909766

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:404

約数の個数: 32

約数和(自身を含む): 55959552

約数和(自身を除く): 24049786

約数列:

[1, 2, 7, 14, 127, 131, 137, 254, 262, 274, 889, 917, 959, 1778, 1834, 1918, 16637, 17399, 17947, 33274, 34798, 35894, 116459, 121793, 125629, 232918, 243586, 251258, 2279269, 4558538, 15954883, 31909766]

約数ペア:

[(1, 31909766), (2, 15954883), (7, 4558538), (14, 2279269), (127, 251258), (131, 243586), (137, 232918), (254, 125629), (262, 121793), (274, 116459), (889, 35894), (917, 34798), (959, 33274), (1778, 17947), (1834, 17399), (1918, 16637)]