668996858887

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{511811}}^1$

素因数の和:512031

約数の個数: 32

約数和(自身を含む): 813658245120

約数和(自身を除く): 144661386233

約数列:

[1, 7, 29, 47, 137, 203, 329, 959, 1363, 3973, 6439, 9541, 27811, 45073, 186731, 511811, 1307117, 3582677, 14842519, 24055117, 70118107, 103897633, 168385819, 490826749, 697598393, 2033425103, 3295551029, 4883188751, 14233975721, 23068857203, 95570979841, 668996858887]

約数ペア:

[(1, 668996858887), (7, 95570979841), (29, 23068857203), (47, 14233975721), (137, 4883188751), (203, 3295551029), (329, 2033425103), (959, 697598393), (1363, 490826749), (3973, 168385819), (6439, 103897633), (9541, 70118107), (27811, 24055117), (45073, 14842519), (186731, 3582677), (511811, 1307117)]