128398272

素因数分解:

$2^6\times 3^1\times {\mathrm{668741}}^1$

素因数の和:668756

約数の個数: 28

約数和(自身を含む): 339720936

約数和(自身を除く): 211322664

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 668741, 1337482, 2006223, 2674964, 4012446, 5349928, 8024892, 10699856, 16049784, 21399712, 32099568, 42799424, 64199136, 128398272]

約数ペア:

[(1, 128398272), (2, 64199136), (3, 42799424), (4, 32099568), (6, 21399712), (8, 16049784), (12, 10699856), (16, 8024892), (24, 5349928), (32, 4012446), (48, 2674964), (64, 2006223), (96, 1337482), (192, 668741)]