66137575

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19891}}^1$

素因数の和:19927

約数の個数: 24

約数和(自身を含む): 98664320

約数和(自身を除く): 32526745

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 175, 475, 665, 3325, 19891, 99455, 139237, 377929, 497275, 696185, 1889645, 2645503, 3480925, 9448225, 13227515, 66137575]

約数ペア:

[(1, 66137575), (5, 13227515), (7, 9448225), (19, 3480925), (25, 2645503), (35, 1889645), (95, 696185), (133, 497275), (175, 377929), (475, 139237), (665, 99455), (3325, 19891)]