256417826

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{4973}}^1$

素因数の和:5138

約数の個数: 32

約数和(自身を含む): 458403840

約数和(自身を除く): 201986014

約数列:

[1, 2, 7, 14, 29, 58, 127, 203, 254, 406, 889, 1778, 3683, 4973, 7366, 9946, 25781, 34811, 51562, 69622, 144217, 288434, 631571, 1009519, 1263142, 2019038, 4420997, 8841994, 18315559, 36631118, 128208913, 256417826]

約数ペア:

[(1, 256417826), (2, 128208913), (7, 36631118), (14, 18315559), (29, 8841994), (58, 4420997), (127, 2019038), (203, 1263142), (254, 1009519), (406, 631571), (889, 288434), (1778, 144217), (3683, 69622), (4973, 51562), (7366, 34811), (9946, 25781)]