251341988

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{401}}^1\times {\mathrm{2207}}^1$

素因数の和:2683

約数の個数: 24

約数和(自身を含む): 447358464

約数和(自身を除く): 196016476

約数列:

[1, 2, 4, 71, 142, 284, 401, 802, 1604, 2207, 4414, 8828, 28471, 56942, 113884, 156697, 313394, 626788, 885007, 1770014, 3540028, 62835497, 125670994, 251341988]

約数ペア:

[(1, 251341988), (2, 125670994), (4, 62835497), (71, 3540028), (142, 1770014), (284, 885007), (401, 626788), (802, 313394), (1604, 156697), (2207, 113884), (4414, 56942), (8828, 28471)]