201991412

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{232709}}^1$

素因数の和:232751

約数の個数: 24

約数和(自身を含む): 417016320

約数和(自身を除く): 215024908

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 232709, 465418, 930836, 1628963, 3257926, 6515852, 7213979, 14427958, 28855916, 50497853, 100995706, 201991412]

約数ペア:

[(1, 201991412), (2, 100995706), (4, 50497853), (7, 28855916), (14, 14427958), (28, 7213979), (31, 6515852), (62, 3257926), (124, 1628963), (217, 930836), (434, 465418), (868, 232709)]