258959384

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{401}}^1\times {\mathrm{907}}^1$

素因数の和:1403

約数の個数: 32

約数和(自身を含む): 492771600

約数和(自身を除く): 233812216

約数列:

[1, 2, 4, 8, 89, 178, 356, 401, 712, 802, 907, 1604, 1814, 3208, 3628, 7256, 35689, 71378, 80723, 142756, 161446, 285512, 322892, 363707, 645784, 727414, 1454828, 2909656, 32369923, 64739846, 129479692, 258959384]

約数ペア:

[(1, 258959384), (2, 129479692), (4, 64739846), (8, 32369923), (89, 2909656), (178, 1454828), (356, 727414), (401, 645784), (712, 363707), (802, 322892), (907, 285512), (1604, 161446), (1814, 142756), (3208, 80723), (3628, 71378), (7256, 35689)]