408582004

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{769}}^1\times {\mathrm{6991}}^1$

素因数の和:7783

約数の個数: 24

約数和(自身を含む): 753737600

約数和(自身を除く): 345155596

約数列:

[1, 2, 4, 19, 38, 76, 769, 1538, 3076, 6991, 13982, 14611, 27964, 29222, 58444, 132829, 265658, 531316, 5376079, 10752158, 21504316, 102145501, 204291002, 408582004]

約数ペア:

[(1, 408582004), (2, 204291002), (4, 102145501), (19, 21504316), (38, 10752158), (76, 5376079), (769, 531316), (1538, 265658), (3076, 132829), (6991, 58444), (13982, 29222), (14611, 27964)]