131609660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{72313}}^1$

素因数の和:72342

約数の個数: 48

約数和(自身を含む): 340165056

約数和(自身を除く): 208555396

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 72313, 144626, 289252, 361565, 506191, 723130, 940069, 1012382, 1446260, 1880138, 2024764, 2530955, 3760276, 4700345, 5061910, 6580483, 9400690, 10123820, 13160966, 18801380, 26321932, 32902415, 65804830, 131609660]

約数ペア:

[(1, 131609660), (2, 65804830), (4, 32902415), (5, 26321932), (7, 18801380), (10, 13160966), (13, 10123820), (14, 9400690), (20, 6580483), (26, 5061910), (28, 4700345), (35, 3760276), (52, 2530955), (65, 2024764), (70, 1880138), (91, 1446260), (130, 1012382), (140, 940069), (182, 723130), (260, 506191), (364, 361565), (455, 289252), (910, 144626), (1820, 72313)]