1388039728

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{974747}}^1$

素因数の和:974844

約数の個数: 20

約数和(自身を含む): 2719546920

約数和(自身を除く): 1331507192

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 974747, 1949494, 3898988, 7797976, 15595952, 86752483, 173504966, 347009932, 694019864, 1388039728]

約数ペア:

[(1, 1388039728), (2, 694019864), (4, 347009932), (8, 173504966), (16, 86752483), (89, 15595952), (178, 7797976), (356, 3898988), (712, 1949494), (1424, 974747)]