81746710

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{7883}}^1$

素因数の和:7968

約数の個数: 32

約数和(自身を含む): 158373792

約数和(自身を除く): 76627082

約数列:

[1, 2, 5, 10, 17, 34, 61, 85, 122, 170, 305, 610, 1037, 2074, 5185, 7883, 10370, 15766, 39415, 78830, 134011, 268022, 480863, 670055, 961726, 1340110, 2404315, 4808630, 8174671, 16349342, 40873355, 81746710]

約数ペア:

[(1, 81746710), (2, 40873355), (5, 16349342), (10, 8174671), (17, 4808630), (34, 2404315), (61, 1340110), (85, 961726), (122, 670055), (170, 480863), (305, 268022), (610, 134011), (1037, 78830), (2074, 39415), (5185, 15766), (7883, 10370)]