1288998425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{6803}}^1$

素因数の和:6890

約数の個数: 48

約数和(自身を含む): 1913502528

約数和(自身を除く): 624504103

約数列:

[1, 5, 11, 13, 25, 53, 55, 65, 143, 265, 275, 325, 583, 689, 715, 1325, 2915, 3445, 3575, 6803, 7579, 14575, 17225, 34015, 37895, 74833, 88439, 170075, 189475, 360559, 374165, 442195, 972829, 1802795, 1870825, 2210975, 3966149, 4687267, 4864145, 9013975, 19830745, 23436335, 24320725, 51559937, 99153725, 117181675, 257799685, 1288998425]

約数ペア:

[(1, 1288998425), (5, 257799685), (11, 117181675), (13, 99153725), (25, 51559937), (53, 24320725), (55, 23436335), (65, 19830745), (143, 9013975), (265, 4864145), (275, 4687267), (325, 3966149), (583, 2210975), (689, 1870825), (715, 1802795), (1325, 972829), (2915, 442195), (3445, 374165), (3575, 360559), (6803, 189475), (7579, 170075), (14575, 88439), (17225, 74833), (34015, 37895)]