254121175

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^3\times {\mathrm{1091}}^1$

素因数の和:1141

約数の個数: 48

約数和(自身を含む): 396474624

約数和(自身を除く): 142353449

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 121, 175, 275, 385, 605, 847, 1091, 1331, 1925, 3025, 4235, 5455, 6655, 7637, 9317, 12001, 21175, 27275, 33275, 38185, 46585, 60005, 84007, 132011, 190925, 232925, 300025, 420035, 660055, 924077, 1452121, 2100175, 3300275, 4620385, 7260605, 10164847, 23101925, 36303025, 50824235, 254121175]

約数ペア:

[(1, 254121175), (5, 50824235), (7, 36303025), (11, 23101925), (25, 10164847), (35, 7260605), (55, 4620385), (77, 3300275), (121, 2100175), (175, 1452121), (275, 924077), (385, 660055), (605, 420035), (847, 300025), (1091, 232925), (1331, 190925), (1925, 132011), (3025, 84007), (4235, 60005), (5455, 46585), (6655, 38185), (7637, 33275), (9317, 27275), (12001, 21175)]