140921728

素因数分解:

$2^7\times {\mathrm{223}}^1\times {\mathrm{4937}}^1$

素因数の和:5174

約数の個数: 32

約数和(自身を含む): 282058560

約数和(自身を除く): 141136832

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 223, 446, 892, 1784, 3568, 4937, 7136, 9874, 14272, 19748, 28544, 39496, 78992, 157984, 315968, 631936, 1100951, 2201902, 4403804, 8807608, 17615216, 35230432, 70460864, 140921728]

約数ペア:

[(1, 140921728), (2, 70460864), (4, 35230432), (8, 17615216), (16, 8807608), (32, 4403804), (64, 2201902), (128, 1100951), (223, 631936), (446, 315968), (892, 157984), (1784, 78992), (3568, 39496), (4937, 28544), (7136, 19748), (9874, 14272)]