28048713

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:182

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 21717687

約数列:

[1, 3, 7, 11, 21, 29, 33, 53, 77, 79, 87, 159, 203, 231, 237, 319, 371, 553, 583, 609, 869, 957, 1113, 1537, 1659, 1749, 2233, 2291, 2607, 4081, 4187, 4611, 6083, 6699, 6873, 10759, 12243, 12561, 16037, 16907, 18249, 25201, 29309, 32277, 46057, 48111, 50721, 75603, 87927, 118349, 121423, 138171, 176407, 322399, 355047, 364269, 529221, 849961, 967197, 1335653, 2549883, 4006959, 9349571, 28048713]

約数ペア:

[(1, 28048713), (3, 9349571), (7, 4006959), (11, 2549883), (21, 1335653), (29, 967197), (33, 849961), (53, 529221), (77, 364269), (79, 355047), (87, 322399), (159, 176407), (203, 138171), (231, 121423), (237, 118349), (319, 87927), (371, 75603), (553, 50721), (583, 48111), (609, 46057), (869, 32277), (957, 29309), (1113, 25201), (1537, 18249), (1659, 16907), (1749, 16037), (2233, 12561), (2291, 12243), (2607, 10759), (4081, 6873), (4187, 6699), (4611, 6083)]