28200088

素因数分解:

$2^3\times 7^3\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 63360000

約数和(自身を除く): 35159912

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 49, 56, 86, 98, 172, 196, 239, 301, 343, 344, 392, 478, 602, 686, 956, 1204, 1372, 1673, 1912, 2107, 2408, 2744, 3346, 4214, 6692, 8428, 10277, 11711, 13384, 14749, 16856, 20554, 23422, 29498, 41108, 46844, 58996, 71939, 81977, 82216, 93688, 117992, 143878, 163954, 287756, 327908, 503573, 575512, 655816, 1007146, 2014292, 3525011, 4028584, 7050022, 14100044, 28200088]

約数ペア:

[(1, 28200088), (2, 14100044), (4, 7050022), (7, 4028584), (8, 3525011), (14, 2014292), (28, 1007146), (43, 655816), (49, 575512), (56, 503573), (86, 327908), (98, 287756), (172, 163954), (196, 143878), (239, 117992), (301, 93688), (343, 82216), (344, 81977), (392, 71939), (478, 58996), (602, 46844), (686, 41108), (956, 29498), (1204, 23422), (1372, 20554), (1673, 16856), (1912, 14749), (2107, 13384), (2408, 11711), (2744, 10277), (3346, 8428), (4214, 6692)]