2591706

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:390

約数の個数: 32

約数和(自身を含む): 5644800

約数和(自身を除く): 3053094

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 149, 223, 298, 446, 447, 669, 894, 1338, 1937, 2899, 3874, 5798, 5811, 8697, 11622, 17394, 33227, 66454, 99681, 199362, 431951, 863902, 1295853, 2591706]

約数ペア:

[(1, 2591706), (2, 1295853), (3, 863902), (6, 431951), (13, 199362), (26, 99681), (39, 66454), (78, 33227), (149, 17394), (223, 11622), (298, 8697), (446, 5811), (447, 5798), (669, 3874), (894, 2899), (1338, 1937)]