289201945

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1\times {\mathrm{347}}^1$

素因数の和:685

約数の個数: 32

約数和(自身を含む): 379514880

約数和(自身を除く): 90312935

約数列:

[1, 5, 19, 31, 95, 155, 283, 347, 589, 1415, 1735, 2945, 5377, 6593, 8773, 10757, 26885, 32965, 43865, 53785, 98201, 166687, 204383, 491005, 833435, 1021915, 1865819, 3044231, 9329095, 15221155, 57840389, 289201945]

約数ペア:

[(1, 289201945), (5, 57840389), (19, 15221155), (31, 9329095), (95, 3044231), (155, 1865819), (283, 1021915), (347, 833435), (589, 491005), (1415, 204383), (1735, 166687), (2945, 98201), (5377, 53785), (6593, 43865), (8773, 32965), (10757, 26885)]