2543788

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:154

約数の個数: 36

約数和(自身を含む): 4980528

約数和(自身を除く): 2436740

約数列:

[1, 2, 4, 13, 26, 52, 53, 71, 106, 142, 169, 212, 284, 338, 676, 689, 923, 1378, 1846, 2756, 3692, 3763, 7526, 8957, 11999, 15052, 17914, 23998, 35828, 47996, 48919, 97838, 195676, 635947, 1271894, 2543788]

約数ペア:

[(1, 2543788), (2, 1271894), (4, 635947), (13, 195676), (26, 97838), (52, 48919), (53, 47996), (71, 35828), (106, 23998), (142, 17914), (169, 15052), (212, 11999), (284, 8957), (338, 7526), (676, 3763), (689, 3692), (923, 2756), (1378, 1846)]