291229510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{203657}}^1$

素因数の和:203688

約数の個数: 32

約数和(自身を含む): 615861792

約数和(自身を除く): 324632282

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 203657, 407314, 1018285, 2036570, 2240227, 2647541, 4480454, 5295082, 11201135, 13237705, 22402270, 26475410, 29122951, 58245902, 145614755, 291229510]

約数ペア:

[(1, 291229510), (2, 145614755), (5, 58245902), (10, 29122951), (11, 26475410), (13, 22402270), (22, 13237705), (26, 11201135), (55, 5295082), (65, 4480454), (110, 2647541), (130, 2240227), (143, 2036570), (286, 1018285), (715, 407314), (1430, 203657)]