402999194

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{127}}^2$

素因数の和:331

約数の個数: 36

約数和(自身を含む): 678014442

約数和(自身を除く): 275015248

約数列:

[1, 2, 13, 26, 31, 62, 127, 254, 403, 806, 961, 1651, 1922, 3302, 3937, 7874, 12493, 16129, 24986, 32258, 51181, 102362, 122047, 209677, 244094, 419354, 499999, 999998, 1586611, 3173222, 6499987, 12999974, 15499969, 30999938, 201499597, 402999194]

約数ペア:

[(1, 402999194), (2, 201499597), (13, 30999938), (26, 15499969), (31, 12999974), (62, 6499987), (127, 3173222), (254, 1586611), (403, 999998), (806, 499999), (961, 419354), (1651, 244094), (1922, 209677), (3302, 122047), (3937, 102362), (7874, 51181), (12493, 32258), (16129, 24986)]