285297278

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{677}}^1\times {\mathrm{971}}^1$

素因数の和:1688

約数の個数: 32

約数和(自身を含む): 506124288

約数和(自身を除く): 220827010

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 677, 971, 1354, 1942, 4739, 6797, 9478, 13594, 20987, 30101, 41974, 60202, 146909, 210707, 293818, 421414, 657367, 1314734, 4601569, 9203138, 20378377, 40756754, 142648639, 285297278]

約数ペア:

[(1, 285297278), (2, 142648639), (7, 40756754), (14, 20378377), (31, 9203138), (62, 4601569), (217, 1314734), (434, 657367), (677, 421414), (971, 293818), (1354, 210707), (1942, 146909), (4739, 60202), (6797, 41974), (9478, 30101), (13594, 20987)]