128974904

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{353}}^1\times {\mathrm{419}}^1$

素因数の和:887

約数の個数: 32

約数和(自身を含む): 245322000

約数和(自身を除く): 116347096

約数列:

[1, 2, 4, 8, 109, 218, 353, 419, 436, 706, 838, 872, 1412, 1676, 2824, 3352, 38477, 45671, 76954, 91342, 147907, 153908, 182684, 295814, 307816, 365368, 591628, 1183256, 16121863, 32243726, 64487452, 128974904]

約数ペア:

[(1, 128974904), (2, 64487452), (4, 32243726), (8, 16121863), (109, 1183256), (218, 591628), (353, 365368), (419, 307816), (436, 295814), (706, 182684), (838, 153908), (872, 147907), (1412, 91342), (1676, 76954), (2824, 45671), (3352, 38477)]