172616405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{409}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 230334720

約数和(自身を除く): 57718315

約数列:

[1, 5, 13, 43, 65, 151, 215, 409, 559, 755, 1963, 2045, 2795, 5317, 6493, 9815, 17587, 26585, 32465, 61759, 84409, 87935, 228631, 308795, 422045, 802867, 1143155, 2655637, 4014335, 13278185, 34523281, 172616405]

約数ペア:

[(1, 172616405), (5, 34523281), (13, 13278185), (43, 4014335), (65, 2655637), (151, 1143155), (215, 802867), (409, 422045), (559, 308795), (755, 228631), (1963, 87935), (2045, 84409), (2795, 61759), (5317, 32465), (6493, 26585), (9815, 17587)]