16197025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:146

約数の個数: 48

約数和(自身を含む): 23679040

約数和(自身を除く): 7482015

約数列:

[1, 5, 13, 19, 25, 43, 61, 65, 95, 215, 247, 305, 325, 475, 559, 793, 817, 1075, 1159, 1235, 1525, 2623, 2795, 3965, 4085, 5795, 6175, 10621, 13115, 13975, 15067, 19825, 20425, 28975, 34099, 49837, 53105, 65575, 75335, 170495, 249185, 265525, 376675, 647881, 852475, 1245925, 3239405, 16197025]

約数ペア:

[(1, 16197025), (5, 3239405), (13, 1245925), (19, 852475), (25, 647881), (43, 376675), (61, 265525), (65, 249185), (95, 170495), (215, 75335), (247, 65575), (305, 53105), (325, 49837), (475, 34099), (559, 28975), (793, 20425), (817, 19825), (1075, 15067), (1159, 13975), (1235, 13115), (1525, 10621), (2623, 6175), (2795, 5795), (3965, 4085)]