291207890

素因数分解:

$2^1\times 5^1\times {\mathrm{1427}}^1\times {\mathrm{20407}}^1$

素因数の和:21841

約数の個数: 16

約数和(自身を含む): 524567232

約数和(自身を除く): 233359342

約数列:

[1, 2, 5, 10, 1427, 2854, 7135, 14270, 20407, 40814, 102035, 204070, 29120789, 58241578, 145603945, 291207890]

約数ペア:

[(1, 291207890), (2, 145603945), (5, 58241578), (10, 29120789), (1427, 204070), (2854, 102035), (7135, 40814), (14270, 20407)]