201121570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{21193}}^1$

素因数の和:21286

約数の個数: 32

約数和(自身を含む): 395225712

約数和(自身を除く): 194104142

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 365, 730, 949, 1898, 4745, 9490, 21193, 42386, 105965, 211930, 275509, 551018, 1377545, 1547089, 2755090, 3094178, 7735445, 15470890, 20112157, 40224314, 100560785, 201121570]

約数ペア:

[(1, 201121570), (2, 100560785), (5, 40224314), (10, 20112157), (13, 15470890), (26, 7735445), (65, 3094178), (73, 2755090), (130, 1547089), (146, 1377545), (365, 551018), (730, 275509), (949, 211930), (1898, 105965), (4745, 42386), (9490, 21193)]