639423928

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{558937}}^1$

素因数の和:558967

約数の個数: 32

約数和(自身を含む): 1408523760

約数和(自身を除く): 769099832

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 558937, 1117874, 2235748, 4471496, 6148307, 7266181, 12296614, 14532362, 24593228, 29064724, 49186456, 58129448, 79927991, 159855982, 319711964, 639423928]

約数ペア:

[(1, 639423928), (2, 319711964), (4, 159855982), (8, 79927991), (11, 58129448), (13, 49186456), (22, 29064724), (26, 24593228), (44, 14532362), (52, 12296614), (88, 7266181), (104, 6148307), (143, 4471496), (286, 2235748), (572, 1117874), (1144, 558937)]