86872630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{1361}}^1$

素因数の和:1872

約数の個数: 32

約数和(自身を含む): 168866208

約数和(自身を除く): 81993578

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 491, 982, 1361, 2455, 2722, 4910, 6383, 6805, 12766, 13610, 17693, 31915, 35386, 63830, 88465, 176930, 668251, 1336502, 3341255, 6682510, 8687263, 17374526, 43436315, 86872630]

約数ペア:

[(1, 86872630), (2, 43436315), (5, 17374526), (10, 8687263), (13, 6682510), (26, 3341255), (65, 1336502), (130, 668251), (491, 176930), (982, 88465), (1361, 63830), (2455, 35386), (2722, 31915), (4910, 17693), (6383, 13610), (6805, 12766)]