256668243

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{317}}^1\times {\mathrm{1597}}^1$

素因数の和:1943

約数の個数: 24

約数和(自身を含む): 371976048

約数和(自身を除く): 115307805

約数列:

[1, 3, 13, 39, 169, 317, 507, 951, 1597, 4121, 4791, 12363, 20761, 53573, 62283, 160719, 269893, 506249, 809679, 1518747, 6581237, 19743711, 85556081, 256668243]

約数ペア:

[(1, 256668243), (3, 85556081), (13, 19743711), (39, 6581237), (169, 1518747), (317, 809679), (507, 506249), (951, 269893), (1597, 160719), (4121, 62283), (4791, 53573), (12363, 20761)]