28328069

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 40081920

約数和(自身を除く): 11753851

約数列:

[1, 7, 11, 17, 19, 67, 77, 119, 133, 187, 209, 289, 323, 469, 737, 1139, 1273, 1309, 1463, 2023, 2261, 3179, 3553, 5159, 5491, 7973, 8911, 12529, 14003, 19363, 21641, 22253, 24871, 38437, 60401, 87703, 98021, 135541, 151487, 212993, 238051, 367897, 422807, 1490951, 1666357, 2575279, 4046867, 28328069]

約数ペア:

[(1, 28328069), (7, 4046867), (11, 2575279), (17, 1666357), (19, 1490951), (67, 422807), (77, 367897), (119, 238051), (133, 212993), (187, 151487), (209, 135541), (289, 98021), (323, 87703), (469, 60401), (737, 38437), (1139, 24871), (1273, 22253), (1309, 21641), (1463, 19363), (2023, 14003), (2261, 12529), (3179, 8911), (3553, 7973), (5159, 5491)]