40221503

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:527

約数の個数: 24

約数和(自身を含む): 49494240

約数和(自身を除く): 9272737

約数列:

[1, 7, 23, 49, 89, 161, 401, 623, 1127, 2047, 2807, 4361, 9223, 14329, 19649, 35689, 64561, 100303, 249823, 451927, 820847, 1748761, 5745929, 40221503]

約数ペア:

[(1, 40221503), (7, 5745929), (23, 1748761), (49, 820847), (89, 451927), (161, 249823), (401, 100303), (623, 64561), (1127, 35689), (2047, 19649), (2807, 14329), (4361, 9223)]