1220342279

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1291}}^1$

素因数の和:1455

約数の個数: 32

約数和(自身を含む): 1432569600

約数和(自身を除く): 212227321

約数列:

[1, 13, 19, 43, 89, 247, 559, 817, 1157, 1291, 1691, 3827, 10621, 16783, 21983, 24529, 49751, 55513, 72713, 114899, 318877, 721669, 945269, 1054747, 1493687, 2183081, 4940657, 13711711, 28380053, 64228541, 93872483, 1220342279]

約数ペア:

[(1, 1220342279), (13, 93872483), (19, 64228541), (43, 28380053), (89, 13711711), (247, 4940657), (559, 2183081), (817, 1493687), (1157, 1054747), (1291, 945269), (1691, 721669), (3827, 318877), (10621, 114899), (16783, 72713), (21983, 55513), (24529, 49751)]