1386642472

素因数分解:

$2^3\times {\mathrm{251}}^1\times {\mathrm{257}}^1\times {\mathrm{2687}}^1$

素因数の和:3201

約数の個数: 32

約数和(自身を含む): 2621445120

約数和(自身を除く): 1234802648

約数列:

[1, 2, 4, 8, 251, 257, 502, 514, 1004, 1028, 2008, 2056, 2687, 5374, 10748, 21496, 64507, 129014, 258028, 516056, 674437, 690559, 1348874, 1381118, 2697748, 2762236, 5395496, 5524472, 173330309, 346660618, 693321236, 1386642472]

約数ペア:

[(1, 1386642472), (2, 693321236), (4, 346660618), (8, 173330309), (251, 5524472), (257, 5395496), (502, 2762236), (514, 2697748), (1004, 1381118), (1028, 1348874), (2008, 690559), (2056, 674437), (2687, 516056), (5374, 258028), (10748, 129014), (21496, 64507)]