397495328

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{302969}}^1$

素因数の和:303020

約数の個数: 24

約数和(自身を含む): 801658620

約数和(自身を除く): 404163292

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 302969, 605938, 1211876, 2423752, 4847504, 9695008, 12421729, 24843458, 49686916, 99373832, 198747664, 397495328]

約数ペア:

[(1, 397495328), (2, 198747664), (4, 99373832), (8, 49686916), (16, 24843458), (32, 12421729), (41, 9695008), (82, 4847504), (164, 2423752), (328, 1211876), (656, 605938), (1312, 302969)]