81570512

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{221659}}^1$

素因数の和:221690

約数の個数: 20

約数和(自身を含む): 164915040

約数和(自身を除く): 83344528

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 221659, 443318, 886636, 1773272, 3546544, 5098157, 10196314, 20392628, 40785256, 81570512]

約数ペア:

[(1, 81570512), (2, 40785256), (4, 20392628), (8, 10196314), (16, 5098157), (23, 3546544), (46, 1773272), (92, 886636), (184, 443318), (368, 221659)]