67439990

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{193}}^1\times {\mathrm{421}}^1$

素因数の和:704

約数の個数: 32

約数和(自身を含む): 123784416

約数和(自身を除く): 56344426

約数列:

[1, 2, 5, 10, 83, 166, 193, 386, 415, 421, 830, 842, 965, 1930, 2105, 4210, 16019, 32038, 34943, 69886, 80095, 81253, 160190, 162506, 174715, 349430, 406265, 812530, 6743999, 13487998, 33719995, 67439990]

約数ペア:

[(1, 67439990), (2, 33719995), (5, 13487998), (10, 6743999), (83, 812530), (166, 406265), (193, 349430), (386, 174715), (415, 162506), (421, 160190), (830, 81253), (842, 80095), (965, 69886), (1930, 34943), (2105, 32038), (4210, 16019)]