66369025

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:489

約数の個数: 24

約数和(自身を含む): 84369600

約数和(自身を除く): 18000575

約数列:

[1, 5, 25, 71, 139, 269, 355, 695, 1345, 1775, 3475, 6725, 9869, 19099, 37391, 49345, 95495, 186955, 246725, 477475, 934775, 2654761, 13273805, 66369025]

約数ペア:

[(1, 66369025), (5, 13273805), (25, 2654761), (71, 934775), (139, 477475), (269, 246725), (355, 186955), (695, 95495), (1345, 49345), (1775, 37391), (3475, 19099), (6725, 9869)]