42839489

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 55959552

約数和(自身を除く): 13120063

約数列:

[1, 7, 11, 31, 77, 131, 137, 217, 341, 917, 959, 1441, 1507, 2387, 4061, 4247, 10087, 10549, 17947, 28427, 29729, 44671, 46717, 125629, 197417, 312697, 327019, 556357, 1381919, 3894499, 6119927, 42839489]

約数ペア:

[(1, 42839489), (7, 6119927), (11, 3894499), (31, 1381919), (77, 556357), (131, 327019), (137, 312697), (217, 197417), (341, 125629), (917, 46717), (959, 44671), (1441, 29729), (1507, 28427), (2387, 17947), (4061, 10549), (4247, 10087)]