2545892874

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{991}}^1\times {\mathrm{20389}}^1$

素因数の和:21395

約数の個数: 48

約数和(自身を含む): 6310786560

約数和(自身を除く): 3764893686

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 991, 1982, 2973, 5946, 6937, 8919, 13874, 17838, 20389, 20811, 40778, 41622, 61167, 62433, 122334, 124866, 142723, 183501, 285446, 367002, 428169, 856338, 1284507, 2569014, 20205499, 40410998, 60616497, 121232994, 141438493, 181849491, 282876986, 363698982, 424315479, 848630958, 1272946437, 2545892874]

約数ペア:

[(1, 2545892874), (2, 1272946437), (3, 848630958), (6, 424315479), (7, 363698982), (9, 282876986), (14, 181849491), (18, 141438493), (21, 121232994), (42, 60616497), (63, 40410998), (126, 20205499), (991, 2569014), (1982, 1284507), (2973, 856338), (5946, 428169), (6937, 367002), (8919, 285446), (13874, 183501), (17838, 142723), (20389, 124866), (20811, 122334), (40778, 62433), (41622, 61167)]