189913681

素因数分解:

${\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^2\times {\mathrm{97}}^1$

素因数の和:261

約数の個数: 24

約数和(自身を含む): 212113944

約数和(自身を除く): 22200263

約数列:

[1, 17, 41, 53, 97, 697, 901, 1649, 2173, 2809, 3977, 5141, 36941, 47753, 67609, 87397, 115169, 210781, 272473, 1957873, 3583277, 4632041, 11171393, 189913681]

約数ペア:

[(1, 189913681), (17, 11171393), (41, 4632041), (53, 3583277), (97, 1957873), (697, 272473), (901, 210781), (1649, 115169), (2173, 87397), (2809, 67609), (3977, 47753), (5141, 36941)]