4065425

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1787}}^1$

素因数の和:1817

約数の個数: 24

約数和(自身を含む): 6207936

約数和(自身を除く): 2142511

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 1787, 2275, 8935, 12509, 23231, 44675, 62545, 116155, 162617, 312725, 580775, 813085, 4065425]

約数ペア:

[(1, 4065425), (5, 813085), (7, 580775), (13, 312725), (25, 162617), (35, 116155), (65, 62545), (91, 44675), (175, 23231), (325, 12509), (455, 8935), (1787, 2275)]