405571738

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{19973}}^1$

素因数の和:20070

約数の個数: 32

約数和(自身を含む): 724816512

約数和(自身を除く): 319244774

約数列:

[1, 2, 11, 13, 22, 26, 71, 142, 143, 286, 781, 923, 1562, 1846, 10153, 19973, 20306, 39946, 219703, 259649, 439406, 519298, 1418083, 2836166, 2856139, 5712278, 15598913, 18435079, 31197826, 36870158, 202785869, 405571738]

約数ペア:

[(1, 405571738), (2, 202785869), (11, 36870158), (13, 31197826), (22, 18435079), (26, 15598913), (71, 5712278), (142, 2856139), (143, 2836166), (286, 1418083), (781, 519298), (923, 439406), (1562, 259649), (1846, 219703), (10153, 39946), (19973, 20306)]