28504308

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19961}}^1$

素因数の和:19992

約数の個数: 48

約数和(自身を含む): 80486784

約数和(自身を除く): 51982476

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, 19961, 39922, 59883, 79844, 119766, 139727, 239532, 279454, 339337, 419181, 558908, 678674, 838362, 1018011, 1357348, 1676724, 2036022, 2375359, 4072044, 4750718, 7126077, 9501436, 14252154, 28504308]

約数ペア:

[(1, 28504308), (2, 14252154), (3, 9501436), (4, 7126077), (6, 4750718), (7, 4072044), (12, 2375359), (14, 2036022), (17, 1676724), (21, 1357348), (28, 1018011), (34, 838362), (42, 678674), (51, 558908), (68, 419181), (84, 339337), (102, 279454), (119, 239532), (204, 139727), (238, 119766), (357, 79844), (476, 59883), (714, 39922), (1428, 19961)]