81876678

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{12647}}^1$

素因数の和:12748

約数の個数: 32

約数和(自身を含む): 178488576

約数和(自身を除く): 96611898

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 83, 166, 249, 498, 1079, 2158, 3237, 6474, 12647, 25294, 37941, 75882, 164411, 328822, 493233, 986466, 1049701, 2099402, 3149103, 6298206, 13646113, 27292226, 40938339, 81876678]

約数ペア:

[(1, 81876678), (2, 40938339), (3, 27292226), (6, 13646113), (13, 6298206), (26, 3149103), (39, 2099402), (78, 1049701), (83, 986466), (166, 493233), (249, 328822), (498, 164411), (1079, 75882), (2158, 37941), (3237, 25294), (6474, 12647)]