31286882

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{89}}^1$

素因数の和:179

約数の個数: 48

約数和(自身を含む): 56440800

約数和(自身を除く): 25153918

約数列:

[1, 2, 11, 19, 22, 29, 38, 58, 89, 178, 209, 319, 418, 551, 638, 841, 979, 1102, 1682, 1691, 1958, 2581, 3382, 5162, 6061, 9251, 12122, 15979, 18502, 18601, 28391, 31958, 37202, 49039, 56782, 74849, 98078, 149698, 175769, 351538, 539429, 823339, 1078858, 1422131, 1646678, 2844262, 15643441, 31286882]

約数ペア:

[(1, 31286882), (2, 15643441), (11, 2844262), (19, 1646678), (22, 1422131), (29, 1078858), (38, 823339), (58, 539429), (89, 351538), (178, 175769), (209, 149698), (319, 98078), (418, 74849), (551, 56782), (638, 49039), (841, 37202), (979, 31958), (1102, 28391), (1682, 18601), (1691, 18502), (1958, 15979), (2581, 12122), (3382, 9251), (5162, 6061)]