251573036

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{39983}}^1$

素因数の和:40022

約数の個数: 36

約数和(自身を含む): 521151456

約数和(自身を除く): 269578420

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 121, 143, 242, 286, 484, 572, 1573, 3146, 6292, 39983, 79966, 159932, 439813, 519779, 879626, 1039558, 1759252, 2079116, 4837943, 5717569, 9675886, 11435138, 19351772, 22870276, 62893259, 125786518, 251573036]

約数ペア:

[(1, 251573036), (2, 125786518), (4, 62893259), (11, 22870276), (13, 19351772), (22, 11435138), (26, 9675886), (44, 5717569), (52, 4837943), (121, 2079116), (143, 1759252), (242, 1039558), (286, 879626), (484, 519779), (572, 439813), (1573, 159932), (3146, 79966), (6292, 39983)]