289451708

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{61169}}^1$

素因数の和:61206

約数の個数: 36

約数和(自身を含む): 626870160

約数和(自身を除く): 337418452

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 169, 182, 338, 364, 676, 1183, 2366, 4732, 61169, 122338, 244676, 428183, 795197, 856366, 1590394, 1712732, 3180788, 5566379, 10337561, 11132758, 20675122, 22265516, 41350244, 72362927, 144725854, 289451708]

約数ペア:

[(1, 289451708), (2, 144725854), (4, 72362927), (7, 41350244), (13, 22265516), (14, 20675122), (26, 11132758), (28, 10337561), (52, 5566379), (91, 3180788), (169, 1712732), (182, 1590394), (338, 856366), (364, 795197), (676, 428183), (1183, 244676), (2366, 122338), (4732, 61169)]