25781236

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{6983}}^1$

素因数の和:7071

約数の個数: 24

約数和(自身を含む): 49279104

約数和(自身を除く): 23497868

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 6983, 13966, 27932, 90779, 181558, 363116, 495793, 991586, 1983172, 6445309, 12890618, 25781236]

約数ペア:

[(1, 25781236), (2, 12890618), (4, 6445309), (13, 1983172), (26, 991586), (52, 495793), (71, 363116), (142, 181558), (284, 90779), (923, 27932), (1846, 13966), (3692, 6983)]