636954997

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{79889}}^1$

素因数の和:79980

約数の個数: 16

約数和(自身を含む): 782282880

約数和(自身を除く): 145327883

約数列:

[1, 7, 17, 67, 119, 469, 1139, 7973, 79889, 559223, 1358113, 5352563, 9506791, 37467941, 90993571, 636954997]

約数ペア:

[(1, 636954997), (7, 90993571), (17, 37467941), (67, 9506791), (119, 5352563), (469, 1358113), (1139, 559223), (7973, 79889)]