28857577325

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{293}}^1\times {\mathrm{1091}}^1$

素因数の和:1574

約数の個数: 48

約数和(自身を含む): 37739834496

約数和(自身を除く): 8882257171

約数列:

[1, 5, 23, 25, 115, 157, 293, 575, 785, 1091, 1465, 3611, 3925, 5455, 6739, 7325, 18055, 25093, 27275, 33695, 46001, 90275, 125465, 168475, 171287, 230005, 319663, 627325, 856435, 1058023, 1150025, 1598315, 3939601, 4282175, 5290115, 7352249, 7991575, 19698005, 26450575, 36761245, 50187091, 98490025, 183806225, 250935455, 1154303093, 1254677275, 5771515465, 28857577325]

約数ペア:

[(1, 28857577325), (5, 5771515465), (23, 1254677275), (25, 1154303093), (115, 250935455), (157, 183806225), (293, 98490025), (575, 50187091), (785, 36761245), (1091, 26450575), (1465, 19698005), (3611, 7991575), (3925, 7352249), (5455, 5290115), (6739, 4282175), (7325, 3939601), (18055, 1598315), (25093, 1150025), (27275, 1058023), (33695, 856435), (46001, 627325), (90275, 319663), (125465, 230005), (168475, 171287)]