561236

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:311

約数の個数: 24

約数和(自身を含む): 1086624

約数和(自身を除く): 525388

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 251, 502, 559, 1004, 1118, 2236, 3263, 6526, 10793, 13052, 21586, 43172, 140309, 280618, 561236]

約数ペア:

[(1, 561236), (2, 280618), (4, 140309), (13, 43172), (26, 21586), (43, 13052), (52, 10793), (86, 6526), (172, 3263), (251, 2236), (502, 1118), (559, 1004)]