128605712

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{90313}}^1$

素因数の和:90410

約数の個数: 20

約数和(自身を含む): 251976060

約数和(自身を除く): 123370348

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 90313, 180626, 361252, 722504, 1445008, 8037857, 16075714, 32151428, 64302856, 128605712]

約数ペア:

[(1, 128605712), (2, 64302856), (4, 32151428), (8, 16075714), (16, 8037857), (89, 1445008), (178, 722504), (356, 361252), (712, 180626), (1424, 90313)]