31328836

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{1321}}^1$

素因数の和:1361

約数の個数: 54

約数和(自身を含む): 70154574

約数和(自身を除く): 38825738

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 121, 154, 196, 242, 308, 484, 539, 847, 1078, 1321, 1694, 2156, 2642, 3388, 5284, 5929, 9247, 11858, 14531, 18494, 23716, 29062, 36988, 58124, 64729, 101717, 129458, 159841, 203434, 258916, 319682, 406868, 639364, 712019, 1118887, 1424038, 2237774, 2848076, 4475548, 7832209, 15664418, 31328836]

約数ペア:

[(1, 31328836), (2, 15664418), (4, 7832209), (7, 4475548), (11, 2848076), (14, 2237774), (22, 1424038), (28, 1118887), (44, 712019), (49, 639364), (77, 406868), (98, 319682), (121, 258916), (154, 203434), (196, 159841), (242, 129458), (308, 101717), (484, 64729), (539, 58124), (847, 36988), (1078, 29062), (1321, 23716), (1694, 18494), (2156, 14531), (2642, 11858), (3388, 9247), (5284, 5929)]