31339748

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 62052480

約数和(自身を除く): 30712732

約数列:

[1, 2, 4, 11, 22, 44, 53, 89, 106, 151, 178, 212, 302, 356, 583, 604, 979, 1166, 1661, 1958, 2332, 3322, 3916, 4717, 6644, 8003, 9434, 13439, 16006, 18868, 26878, 32012, 51887, 53756, 88033, 103774, 147829, 176066, 207548, 295658, 352132, 591316, 712267, 1424534, 2849068, 7834937, 15669874, 31339748]

約数ペア:

[(1, 31339748), (2, 15669874), (4, 7834937), (11, 2849068), (22, 1424534), (44, 712267), (53, 591316), (89, 352132), (106, 295658), (151, 207548), (178, 176066), (212, 147829), (302, 103774), (356, 88033), (583, 53756), (604, 51887), (979, 32012), (1166, 26878), (1661, 18868), (1958, 16006), (2332, 13439), (3322, 9434), (3916, 8003), (4717, 6644)]