278045278

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{9769}}^1$

素因数の和:9904

約数の個数: 32

約数和(自身を含む): 506476800

約数和(自身を除く): 228431522

約数列:

[1, 2, 7, 14, 19, 38, 107, 133, 214, 266, 749, 1498, 2033, 4066, 9769, 14231, 19538, 28462, 68383, 136766, 185611, 371222, 1045283, 1299277, 2090566, 2598554, 7316981, 14633962, 19860377, 39720754, 139022639, 278045278]

約数ペア:

[(1, 278045278), (2, 139022639), (7, 39720754), (14, 19860377), (19, 14633962), (38, 7316981), (107, 2598554), (133, 2090566), (214, 1299277), (266, 1045283), (749, 371222), (1498, 185611), (2033, 136766), (4066, 68383), (9769, 28462), (14231, 19538)]