213261983

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:335

約数の個数: 32

約数和(自身を含む): 249080832

約数和(自身を除く): 35818849

約数列:

[1, 11, 43, 47, 53, 181, 473, 517, 583, 1991, 2021, 2279, 2491, 7783, 8507, 9593, 22231, 25069, 27401, 85613, 93577, 105523, 107113, 365801, 412499, 450871, 1178243, 4023811, 4537489, 4959581, 19387453, 213261983]

約数ペア:

[(1, 213261983), (11, 19387453), (43, 4959581), (47, 4537489), (53, 4023811), (181, 1178243), (473, 450871), (517, 412499), (583, 365801), (1991, 107113), (2021, 105523), (2279, 93577), (2491, 85613), (7783, 27401), (8507, 25069), (9593, 22231)]