28550004

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19993}}^1$

素因数の和:20024

約数の個数: 48

約数和(自身を含む): 80615808

約数和(自身を除く): 52065804

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 19993, 39986, 59979, 79972, 119958, 139951, 239916, 279902, 339881, 419853, 559804, 679762, 839706, 1019643, 1359524, 1679412, 2039286, 2379167, 4078572, 4758334, 7137501, 9516668, 14275002, 28550004]

約数ペア:

[(1, 28550004), (2, 14275002), (3, 9516668), (4, 7137501), (6, 4758334), (7, 4078572), (12, 2379167), (14, 2039286), (17, 1679412), (21, 1359524), (28, 1019643), (34, 839706), (42, 679762), (51, 559804), (68, 419853), (84, 339881), (102, 279902), (119, 239916), (204, 139951), (238, 119958), (357, 79972), (476, 59979), (714, 39986), (1428, 19993)]