128571472

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{349379}}^1$

素因数の和:349410

約数の個数: 20

約数和(自身を含む): 259938720

約数和(自身を除く): 131367248

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 349379, 698758, 1397516, 2795032, 5590064, 8035717, 16071434, 32142868, 64285736, 128571472]

約数ペア:

[(1, 128571472), (2, 64285736), (4, 32142868), (8, 16071434), (16, 8035717), (23, 5590064), (46, 2795032), (92, 1397516), (184, 698758), (368, 349379)]