1285403330

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1\times {\mathrm{4003}}^1$

素因数の和:4370

約数の個数: 32

約数和(自身を含む): 2340321984

約数和(自身を除く): 1054918654

約数列:

[1, 2, 5, 10, 163, 197, 326, 394, 815, 985, 1630, 1970, 4003, 8006, 20015, 32111, 40030, 64222, 160555, 321110, 652489, 788591, 1304978, 1577182, 3262445, 3942955, 6524890, 7885910, 128540333, 257080666, 642701665, 1285403330]

約数ペア:

[(1, 1285403330), (2, 642701665), (5, 257080666), (10, 128540333), (163, 7885910), (197, 6524890), (326, 3942955), (394, 3262445), (815, 1577182), (985, 1304978), (1630, 788591), (1970, 652489), (4003, 321110), (8006, 160555), (20015, 64222), (32111, 40030)]