266561408

素因数分解:

$2^7\times {\mathrm{89}}^1\times {\mathrm{23399}}^1$

素因数の和:23502

約数の個数: 32

約数和(自身を含む): 537030000

約数和(自身を除く): 270468592

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 128, 178, 356, 712, 1424, 2848, 5696, 11392, 23399, 46798, 93596, 187192, 374384, 748768, 1497536, 2082511, 2995072, 4165022, 8330044, 16660088, 33320176, 66640352, 133280704, 266561408]

約数ペア:

[(1, 266561408), (2, 133280704), (4, 66640352), (8, 33320176), (16, 16660088), (32, 8330044), (64, 4165022), (89, 2995072), (128, 2082511), (178, 1497536), (356, 748768), (712, 374384), (1424, 187192), (2848, 93596), (5696, 46798), (11392, 23399)]