1238890384

素因数分解:

$2^4\times {\mathrm{241}}^1\times {\mathrm{321289}}^1$

素因数の和:321538

約数の個数: 20

約数和(自身を含む): 2410317580

約数和(自身を除く): 1171427196

約数列:

[1, 2, 4, 8, 16, 241, 482, 964, 1928, 3856, 321289, 642578, 1285156, 2570312, 5140624, 77430649, 154861298, 309722596, 619445192, 1238890384]

約数ペア:

[(1, 1238890384), (2, 619445192), (4, 309722596), (8, 154861298), (16, 77430649), (241, 5140624), (482, 2570312), (964, 1285156), (1928, 642578), (3856, 321289)]