31138316209

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{634841}}^1$

素因数の和:634886

約数の個数: 32

約数和(自身を含む): 42661382400

約数和(自身を除く): 11523066191

約数列:

[1, 7, 11, 13, 49, 77, 91, 143, 343, 539, 637, 1001, 3773, 4459, 7007, 49049, 634841, 4443887, 6983251, 8252933, 31107209, 48882757, 57770531, 90782263, 217750463, 342179299, 404393717, 635475841, 2395255093, 2830756019, 4448330887, 31138316209]

約数ペア:

[(1, 31138316209), (7, 4448330887), (11, 2830756019), (13, 2395255093), (49, 635475841), (77, 404393717), (91, 342179299), (143, 217750463), (343, 90782263), (539, 57770531), (637, 48882757), (1001, 31107209), (3773, 8252933), (4459, 6983251), (7007, 4443887), (49049, 634841)]