287258986

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{4481}}^1$

素因数の和:4750

約数の個数: 32

約数和(自身を含む): 520629120

約数和(自身を除く): 233370134

約数列:

[1, 2, 7, 14, 19, 38, 133, 241, 266, 482, 1687, 3374, 4481, 4579, 8962, 9158, 31367, 32053, 62734, 64106, 85139, 170278, 595973, 1079921, 1191946, 2159842, 7559447, 15118894, 20518499, 41036998, 143629493, 287258986]

約数ペア:

[(1, 287258986), (2, 143629493), (7, 41036998), (14, 20518499), (19, 15118894), (38, 7559447), (133, 2159842), (241, 1191946), (266, 1079921), (482, 595973), (1687, 170278), (3374, 85139), (4481, 64106), (4579, 62734), (8962, 32053), (9158, 31367)]