128702884

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{3449}}^1$

素因数の和:3963

約数の個数: 24

約数和(自身を含む): 237636000

約数和(自身を除く): 108933116

約数列:

[1, 2, 4, 19, 38, 76, 491, 982, 1964, 3449, 6898, 9329, 13796, 18658, 37316, 65531, 131062, 262124, 1693459, 3386918, 6773836, 32175721, 64351442, 128702884]

約数ペア:

[(1, 128702884), (2, 64351442), (4, 32175721), (19, 6773836), (38, 3386918), (76, 1693459), (491, 262124), (982, 131062), (1964, 65531), (3449, 37316), (6898, 18658), (9329, 13796)]