199804288

素因数分解:

$2^7\times {\mathrm{89}}^1\times {\mathrm{17539}}^1$

素因数の和:17642

約数の個数: 32

約数和(自身を含む): 402543000

約数和(自身を除く): 202738712

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 128, 178, 356, 712, 1424, 2848, 5696, 11392, 17539, 35078, 70156, 140312, 280624, 561248, 1122496, 1560971, 2244992, 3121942, 6243884, 12487768, 24975536, 49951072, 99902144, 199804288]

約数ペア:

[(1, 199804288), (2, 99902144), (4, 49951072), (8, 24975536), (16, 12487768), (32, 6243884), (64, 3121942), (89, 2244992), (128, 1560971), (178, 1122496), (356, 561248), (712, 280624), (1424, 140312), (2848, 70156), (5696, 35078), (11392, 17539)]