201191798

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:261

約数の個数: 48

約数和(自身を含む): 335767680

約数和(自身を除く): 134575882

約数列:

[1, 2, 19, 31, 38, 62, 89, 101, 178, 202, 361, 589, 722, 1178, 1691, 1919, 2759, 3131, 3382, 3838, 5518, 6262, 8989, 11191, 17978, 22382, 32129, 36461, 52421, 59489, 64258, 72922, 104842, 118978, 170791, 278659, 341582, 557318, 995999, 1130291, 1991998, 2260582, 3245029, 5294521, 6490058, 10589042, 100595899, 201191798]

約数ペア:

[(1, 201191798), (2, 100595899), (19, 10589042), (31, 6490058), (38, 5294521), (62, 3245029), (89, 2260582), (101, 1991998), (178, 1130291), (202, 995999), (361, 557318), (589, 341582), (722, 278659), (1178, 170791), (1691, 118978), (1919, 104842), (2759, 72922), (3131, 64258), (3382, 59489), (3838, 52421), (5518, 36461), (6262, 32129), (8989, 22382), (11191, 17978)]