312640208

素因数分解:

$2^4\times {\mathrm{31}}^2\times {\mathrm{20333}}^1$

素因数の和:20403

約数の個数: 30

約数和(自身を含む): 625941522

約数和(自身を除く): 313301314

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 961, 1922, 3844, 7688, 15376, 20333, 40666, 81332, 162664, 325328, 630323, 1260646, 2521292, 5042584, 10085168, 19540013, 39080026, 78160052, 156320104, 312640208]

約数ペア:

[(1, 312640208), (2, 156320104), (4, 78160052), (8, 39080026), (16, 19540013), (31, 10085168), (62, 5042584), (124, 2521292), (248, 1260646), (496, 630323), (961, 325328), (1922, 162664), (3844, 81332), (7688, 40666), (15376, 20333)]