2787401810

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{37561}}^1$

素因数の和:37790

約数の個数: 32

約数和(自身を含む): 5168230704

約数和(自身を除く): 2380828894

約数列:

[1, 2, 5, 10, 41, 82, 181, 205, 362, 410, 905, 1810, 7421, 14842, 37105, 37561, 74210, 75122, 187805, 375610, 1540001, 3080002, 6798541, 7700005, 13597082, 15400010, 33992705, 67985410, 278740181, 557480362, 1393700905, 2787401810]

約数ペア:

[(1, 2787401810), (2, 1393700905), (5, 557480362), (10, 278740181), (41, 67985410), (82, 33992705), (181, 15400010), (205, 13597082), (362, 7700005), (410, 6798541), (905, 3080002), (1810, 1540001), (7421, 375610), (14842, 187805), (37105, 75122), (37561, 74210)]