257040982005

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{691}}^1\times {\mathrm{2971}}^1$

素因数の和:4178

約数の個数: 64

約数和(自身を含む): 437123091456

約数和(自身を除く): 180082109451

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 491, 691, 1473, 2073, 2455, 2971, 3455, 7365, 8347, 8913, 10365, 11747, 14855, 25041, 35241, 41735, 44565, 50507, 58735, 125205, 151521, 176205, 252535, 339281, 757605, 1017843, 1458761, 1696405, 2052961, 4376283, 5089215, 5767777, 6158883, 7293805, 10264805, 17303331, 21881415, 24798937, 28838885, 30794415, 34900337, 74396811, 86516655, 104701011, 123994685, 174501685, 371984055, 523505055, 1008003851, 3024011553, 5040019255, 15120057765, 17136065467, 51408196401, 85680327335, 257040982005]

約数ペア:

[(1, 257040982005), (3, 85680327335), (5, 51408196401), (15, 17136065467), (17, 15120057765), (51, 5040019255), (85, 3024011553), (255, 1008003851), (491, 523505055), (691, 371984055), (1473, 174501685), (2073, 123994685), (2455, 104701011), (2971, 86516655), (3455, 74396811), (7365, 34900337), (8347, 30794415), (8913, 28838885), (10365, 24798937), (11747, 21881415), (14855, 17303331), (25041, 10264805), (35241, 7293805), (41735, 6158883), (44565, 5767777), (50507, 5089215), (58735, 4376283), (125205, 2052961), (151521, 1696405), (176205, 1458761), (252535, 1017843), (339281, 757605)]