64781810

素因数分解:

$2^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{28289}}^1$

素因数の和:28525

約数の個数: 16

約数和(自身を含む): 117120600

約数和(自身を除く): 52338790

約数列:

[1, 2, 5, 10, 229, 458, 1145, 2290, 28289, 56578, 141445, 282890, 6478181, 12956362, 32390905, 64781810]

約数ペア:

[(1, 64781810), (2, 32390905), (5, 12956362), (10, 6478181), (229, 282890), (458, 141445), (1145, 56578), (2290, 28289)]