51311975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{463}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 77328384

約数和(自身を除く): 26016409

約数列:

[1, 5, 11, 13, 25, 31, 55, 65, 143, 155, 275, 325, 341, 403, 463, 715, 775, 1705, 2015, 2315, 3575, 4433, 5093, 6019, 8525, 10075, 11575, 14353, 22165, 25465, 30095, 66209, 71765, 110825, 127325, 150475, 157883, 186589, 331045, 358825, 789415, 932945, 1655225, 2052479, 3947075, 4664725, 10262395, 51311975]

約数ペア:

[(1, 51311975), (5, 10262395), (11, 4664725), (13, 3947075), (25, 2052479), (31, 1655225), (55, 932945), (65, 789415), (143, 358825), (155, 331045), (275, 186589), (325, 157883), (341, 150475), (403, 127325), (463, 110825), (715, 71765), (775, 66209), (1705, 30095), (2015, 25465), (2315, 22165), (3575, 14353), (4433, 11575), (5093, 10075), (6019, 8525)]