78086998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2099}}^1$

素因数の和:2220

約数の個数: 32

約数和(自身を含む): 136080000

約数和(自身を除く): 57993002

約数列:

[1, 2, 11, 19, 22, 38, 89, 178, 209, 418, 979, 1691, 1958, 2099, 3382, 4198, 18601, 23089, 37202, 39881, 46178, 79762, 186811, 373622, 438691, 877382, 2054921, 3549409, 4109842, 7098818, 39043499, 78086998]

約数ペア:

[(1, 78086998), (2, 39043499), (11, 7098818), (19, 4109842), (22, 3549409), (38, 2054921), (89, 877382), (178, 438691), (209, 373622), (418, 186811), (979, 79762), (1691, 46178), (1958, 39881), (2099, 37202), (3382, 23089), (4198, 18601)]