28389676

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{32707}}^1$

素因数の和:32749

約数の個数: 24

約数和(自身を含む): 58612736

約数和(自身を除く): 30223060

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 32707, 65414, 130828, 228949, 457898, 915796, 1013917, 2027834, 4055668, 7097419, 14194838, 28389676]

約数ペア:

[(1, 28389676), (2, 14194838), (4, 7097419), (7, 4055668), (14, 2027834), (28, 1013917), (31, 915796), (62, 457898), (124, 228949), (217, 130828), (434, 65414), (868, 32707)]