281904142

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1\times {\mathrm{881}}^1$

素因数の和:1324

約数の個数: 32

約数和(自身を含む): 471792384

約数和(自身を除く): 189888242

約数列:

[1, 2, 13, 26, 31, 62, 397, 403, 794, 806, 881, 1762, 5161, 10322, 11453, 12307, 22906, 24614, 27311, 54622, 159991, 319982, 349757, 355043, 699514, 710086, 4546841, 9093682, 10842467, 21684934, 140952071, 281904142]

約数ペア:

[(1, 281904142), (2, 140952071), (13, 21684934), (26, 10842467), (31, 9093682), (62, 4546841), (397, 710086), (403, 699514), (794, 355043), (806, 349757), (881, 319982), (1762, 159991), (5161, 54622), (10322, 27311), (11453, 24614), (12307, 22906)]