128278472

素因数分解:

$2^3\times 7^2\times {\mathrm{229}}^1\times {\mathrm{1429}}^1$

素因数の和:1678

約数の個数: 48

約数和(自身を含む): 281209500

約数和(自身を除く): 152931028

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 229, 392, 458, 916, 1429, 1603, 1832, 2858, 3206, 5716, 6412, 10003, 11221, 11432, 12824, 20006, 22442, 40012, 44884, 70021, 80024, 89768, 140042, 280084, 327241, 560168, 654482, 1308964, 2290687, 2617928, 4581374, 9162748, 16034809, 18325496, 32069618, 64139236, 128278472]

約数ペア:

[(1, 128278472), (2, 64139236), (4, 32069618), (7, 18325496), (8, 16034809), (14, 9162748), (28, 4581374), (49, 2617928), (56, 2290687), (98, 1308964), (196, 654482), (229, 560168), (392, 327241), (458, 280084), (916, 140042), (1429, 89768), (1603, 80024), (1832, 70021), (2858, 44884), (3206, 40012), (5716, 22442), (6412, 20006), (10003, 12824), (11221, 11432)]