81177538

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1627}}^1$

素因数の和:1762

約数の個数: 32

約数和(自身を含む): 139487040

約数和(自身を除く): 58309502

約数列:

[1, 2, 13, 19, 26, 38, 101, 202, 247, 494, 1313, 1627, 1919, 2626, 3254, 3838, 21151, 24947, 30913, 42302, 49894, 61826, 164327, 328654, 401869, 803738, 2136251, 3122213, 4272502, 6244426, 40588769, 81177538]

約数ペア:

[(1, 81177538), (2, 40588769), (13, 6244426), (19, 4272502), (26, 3122213), (38, 2136251), (101, 803738), (202, 401869), (247, 328654), (494, 164327), (1313, 61826), (1627, 49894), (1919, 42302), (2626, 30913), (3254, 24947), (3838, 21151)]