1981568

素因数分解:

$2^7\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:264

約数の個数: 32

約数和(自身を含む): 4011660

約数和(自身を除く): 2030092

約数列:

[1, 2, 4, 8, 16, 32, 64, 113, 128, 137, 226, 274, 452, 548, 904, 1096, 1808, 2192, 3616, 4384, 7232, 8768, 14464, 15481, 17536, 30962, 61924, 123848, 247696, 495392, 990784, 1981568]

約数ペア:

[(1, 1981568), (2, 990784), (4, 495392), (8, 247696), (16, 123848), (32, 61924), (64, 30962), (113, 17536), (128, 15481), (137, 14464), (226, 8768), (274, 7232), (452, 4384), (548, 3616), (904, 2192), (1096, 1808)]